The Life of Elder Jacob Knapp
Born December 7 in Otsego County, New York, to an Episcopalian family. Raised in the church with catechism and creeds, yet confessed deep spiritual anxiety from early youth.
His mother died when he was seventeen. Shaken, he went alone into the woods one Sunday, determined not to leave until he had peace with God. He read his Bible and prayed until his guilt lifted. A year later, however, he relapsed into worldly living. One night, headed to a dance, he turned aside instead to a Baptist prayer meeting — and never turned back.
After renewed study of Scripture he embraced immersion as the biblical mode of baptism, submitted to believer’s baptism, and united with the Baptists.
Entered the theological institution at Hamilton, New York — now Colgate University. Licensed to preach in 1822. Married his wife Electa in 1824.
Served eight years as pastor — first at Springfield, NY (60 converts) then Watertown, NY (~200 baptized) — while simultaneously managing a large farm. He displayed remarkable energy and capacity in both callings.
Experienced what he always called his “second conversion” — a crisis of total reconsecration. He wrote: “I broke from all worldly concerns, and consecrated myself anew to the service of God. I viewed the unconverted as toppling on the brink of hell, and many of the churches, and ministers too, as sleeping at their post.” He surrendered the farm, released his pastoral charge, and launched into full-time itinerant evangelism on his own faith and responsibility when the Baptist convention hesitated to appoint him.
Began systematic revival campaigns — first in small schoolhouses and country churches, then in the largest city congregations. He entered a path, as he wrote, “that had not been trodden before me” among Baptists. He became the first full-time Baptist evangelist in the Northern United States.
Four decades of unbroken itinerant revival ministry across the Atlantic seaboard, the South, and westward — Baltimore, Boston, New York, Washington D.C., Rochester, St. Louis, and eventually California. His best-attended campaigns were Rochester (1839), New York City (1840), Boston (1841), and Washington D.C. Crowds were so large that civil authorities were sometimes required to maintain order; mobs threatened his meetings multiple times. He preached more than 16,000 sermons in his lifetime.
At the Baptist Tabernacle, Mulberry Street, New York City, introduced “instantaneous baptism” — baptizing new converts the same night they professed faith, following the apostolic pattern. His deacons complained he was sending converts faster than the church could receive them.
Revival campaigns in Boston drew enormous crowds. One fruit of these New England meetings was a contribution to the founding of the Washingtonian temperance movement, composed largely of men converted under his preaching.
Published The Evangelical Harp: A New Collection of Hymns and Tunes Designed for Revivals of Religion, and For Family and Social Worship — the first publication to include the hymn “Give Me Jesus.”
Published the Autobiography of Elder Jacob Knapp (Sheldon & Co., New York, 340 pp.) — a complete record of his ministry, methods, theological convictions, and five of his major sermons. At the time of publication, more than 100,000 persons had been converted under his preaching and over 200 had become ministers of the gospel.
Still preaching at age 72. Rev. J.D. Fulton, who assisted him in Boston that year, testified: “His power lies not in his measures. His power is in God and His word. He reveals in the Scriptures.”
Died March 2 at his residence near Rockford, Illinois. In his final years he had made judicious business investments to provide for his old age, and before death distributed much of his estate to the benevolent societies of his church.
What Knapp Believed & Preached
Revival Is a Promise, Not a Mystery
Knapp rejected hyper-Calvinist fatalism. He was convinced revival was covenantal — God promises to revive His people when they repent and seek Him (2 Chr. 7:14). He preached it as a certainty, not a possibility.
Immediate Repentance
Against the then-prevalent Baptist position that “the seed must have time to germinate,” Knapp called sinners to decide tonight — in the meeting, at the anxious seat. Spiritual delay was spiritual danger.
Believer’s Immersion — Immediately
A committed Baptist, Knapp rejected the month-long waiting period as unscriptural and revival-retarding. He baptized converts immediately upon credible profession, following the Acts pattern.
Scripture as the Instrument of Power
His methods were built on the Word, not on emotional manipulation. Rev. Fulton’s verdict after seeing him at age 72: “His power is in God and His word. He reveals in the Scriptures.”
The Terrors of the Law
Knapp deployed hell, judgment, and the wrath of God as primary evangelistic tools. He drove men to the Cross by the terrors of the law, not by comfort, sentiment, or social appeal.
The Public Invitation
Pioneer of the “anxious seat” among Baptists. He articulated a five-point theology of why the public altar call accelerates genuine conversion and strengthens rather than weakens revival results.
“It seemed to me that the record of the acts of the apostles was a history of excitements under which the world was verily turned upside down.”
— Elder Jacob Knapp, Autobiography (1868)Key Sermon Themes & Exposition
The Autobiography (1868) contains five complete sermons alongside Knapp’s own extended exposition of revival theology and methods. The following covers the primary doctrinal ground he plowed across four decades of revival preaching.
I. The Unconverted on the Brink of Hell
Knapp’s opening thrust in virtually every campaign was the immediate peril of the unconverted soul. He did not speak of hell as a distant theological abstraction. He visualized sinners as standing at the edge of perdition in that very moment — while the church around them slept at her post.
He preached that a believer’s indifference to the lost was itself a form of complicity with the devil’s work. The urgency of eternity demanded urgent preaching, and urgent preaching demanded urgent response — tonight, not next Sunday.
He described his own consecration crisis in terms that set the tone for everything that followed: “I viewed the unconverted as toppling on the brink of hell” — not as prospects for gradual religious improvement, but as persons in immediate danger of eternal destruction.
II. Against Hyper-Calvinism — Revival Is Obtainable
The dominant theology of Baptist churches in New York, New Jersey, Pennsylvania, Delaware, and Maryland when Knapp began was what he called “hyper-Calvinistic tenets which constituted the staple of pulpit ministrations.” These churches taught that because salvation was entirely God’s sovereign act, it was presumptuous interference to plead with sinners, call for decisions, or organize revival meetings.
Knapp demolished this position on biblical and experiential grounds. He pointed to the conditional promises of Scripture — God will revive and heal when His people humble themselves, pray, and turn from wicked ways. Revival is not something God does arbitrarily; it is something God has promised in response to the obedience of His people. He expected revival because the Bible promised it. He got revival because the Bible was true.
One account from his Autobiography: at a location where strict Calvinism had held the church in spiritual paralysis for years, skeptical deacons permitted him to preach. One night at the altar call, the converts came forward so numerously that even the Calvinist elder was moved to tears — forced by the evidence of his own eyes to reconsider his theology.
III. The Utility of the Anxious Seat
Knapp devoted an entire chapter of his Autobiography to defending the anxious seat — “The Utility of Anxious-Seats” — against Calvinist and traditionalist critics. His five arguments:
1. It separates the concerned from the merely curious. Asking people to move forward distinguishes those genuinely under conviction from those attending for social reasons.
2. It requires public commitment. Once a sinner has taken that step, retreat is more costly than advance. Knapp wrote: “It is more dishonorable and more mortifying to go back than it is to go forward. The more obstacles that can be put in the way of receding the better. All the barriers that can be put in the way of the anxious, to prevent their going back, should be piled up behind them.”
3. It provides visible public acknowledgment of need before God and the congregation — consistent with Romans 10:9–10’s principle of confession unto salvation.
4. Seeing others respond encourages the wavering. Knapp wrote: “One can be the means of bringing others to a right decision by the force of example.”
5. It enables ministers to assess the harvest immediately. The evangelist can know, at the close of a service, who has been reached and who requires further counsel.
IV. Protracted Meetings — The Theology of Sustained Revival
Knapp entered the practice of “protracted meetings” around 1833 as the method was beginning to spread through Baptist churches, and became its foremost Baptist practitioner and theorist. A protracted meeting was a multi-week campaign: continuous nightly preaching, sustained prayer, inquiry rooms where the convicted could be counseled individually, and unrelenting evangelistic pressure on the unconverted.
His strategy: plant in one location, preach every night, hold inquiry sessions during the day, and maintain the spiritual atmosphere through the corporate seeking of God. He resisted any reduction of revival to a single emotional event. Spiritual harvests require sustained cultivation. The apostles at Pentecost did not hold a one-night meeting; they had been in sustained, corporate, expectant prayer for days before the Spirit fell.
Knapp’s protracted meetings were the direct precursor to what later became the “revival crusade” format used by D.L. Moody, Billy Sunday, and Billy Graham.
V. Instantaneous Baptism — Following the Apostolic Pattern
The standard Baptist practice of Knapp’s era required new converts to appear before a committee, wait a full month, then be examined before the church and finally baptized. Knapp found this practice both unscriptural and revival-retarding. He noted that the Baptists of his day “were opposed to sudden conversions” — assuming converts needed time to prove themselves genuine. The month-long process, he argued, was built on sinful suspicion rather than Scripture. As he wrote, “It seemed to be taken for granted that every applicant at the doors of the church must be either a hypocrite or the victim of self-delusion.”
Beginning at the Baptist Tabernacle on Mulberry Street, New York City in 1840, Knapp introduced “instantaneous baptism” — examining and baptizing converts the same night they professed faith, consistent with the apostolic precedents in Acts. As the inquirers came to peace with God in the upstairs inquiry room, Knapp sent them directly downstairs to be received by the church and baptized. At one Illinois campaign in 1851, seventy persons were baptized in a single week. His own deacons eventually complained that he was sending converts down “faster than the church could receive them.”
He argued that instantaneous baptism put “wind in the sails” of revival, while the month-long delay let the wind out. The New Testament pattern supported him at every point. The pattern in Acts from the Ethiopian eunuch to the Philippian jailer is consistent: conviction, confession, immediate baptism, rejoicing.
“In originality, consecration, period of public ministry, and in effectiveness and permanence of its results — no American evangelist has outranked Jacob Knapp.”
— Rev. W. W. Everts, contemporary assessmentHis Lasting Influence
Jacob Knapp is largely forgotten today. Evangelist-historian Fred Barlow called him “the first of that now long line of elite worthies — Baptist evangelists!” His methodological innovations — the public altar call, the inquiry room, the protracted meeting, instantaneous baptism, the faith-basis of financial support — became the standard toolkit of American evangelical revivalism for the next century and a half. Every major Baptist evangelist from D.L. Moody forward owes methodological debts to Jacob Knapp.
Among the documented fruits of his ministry: more than 100,000 professed conversions, 4,500+ baptisms administered personally, over 200 men who went into gospel ministry, and the founding impetus for the Washingtonian temperance movement through his Boston campaigns.
He preached against fierce opposition throughout his career — physical mobs in the cities, theological mobs in the academy, and institutional resistance from the denomination. He neither yielded his message nor softened his methods. He simply preached, baptized, and trusted God to vindicate the results. The record bears out that vindication on every page of his Autobiography.
His Autobiography (1868) remains the essential primary source document for understanding early Baptist revivalism in America. Its five sermons are among the clearest surviving examples of 19th-century frontier evangelical preaching — fully public domain, freely available, and still worth reading by any preacher who means business about revival.