Rev. John Prosser, Jr. was the son of Rev. John and Nancy (Moon) Prosser, Sr. He was the brother of Rev. Dillon Prosser and Rev. Lorenzo Dow Prosser. Caroline Rogers) Prosser was his 1st wife. Caroline died in 1858. Jane A. (Richens) Prosser was his 2nd wife. Jane died in 1897. Rev. Prosser was a minister in the Pittsburgh Conference and Erie (now Western Pennsylvania) Conference of the Methodist Episcopal Church.

Child, Hamilton
Gazetteer and Business Directory for Erie County, Pennsylvania, 1873-1874.
East Springfield
Prosser, Rev. John, farmer and retired Methodist Episcopal clergyman

Obituary
Northern Christian Advocate
Thursday, April 5, 1883
PROSSER.--The Rev. John Prosser was born in Edmeston, Otsego County, New York, April 18O8, and died at his residence in East Springfield, Erie County, Pa., December 22, 1882. He was converted and joined the Methodist Episcopal Church, in his eighteenth year, in Hamlet, Chautauqua County, New York. He soon entered upon a course of study for the ministry. He was licensed to preach in 1832 by Rev. Wilder B. Mack, Presiding Elder. He was admitted on trial in the Pittsburgh Conference in 1832, ordained Deacon by Bishop Joshua Soule and received into full connection in Erie Conference in 1837, and ordained Elder by Bishop Beverly Waugh in 1839. His appointments were: Napoli, 1832; sick, 1833-1834; Springfield, 1835; Franklin, Pa., 1836; Ashtabula, 1837; superannuated, 1838-1839; supernumerary, 184O; Geneva, 1841; Evansburgh, 1842; Mayville, 1843; Quincy and Westfield, 1844; Westfield, 1845; Mill Creek Mission, 1846; Springfield, 1847; superannuated, 1848-1854; Albion, 1855; Conneaut, 1856; superannuated, 1857; McKean, 1858; superannuated, 1859-1882. In 1864 Brother Prosser and family settled in East Springfield. Too feeble to do effective work in the ministry during the last twenty-two years of his life, he was, nevertheless, abundant in labors. John Prosser was a faithful minister. He was made many years ago wonderfully useful in awakening sinners and leading them to Jesus. His talents were more of the useful than of the dazzling kind. He was decidedly evangelical; he made it his grand aim to impress the truths of the Gospel on the hearts of his hearers. He was eminently a man of convictions, and no force of circumstances could ever cause him to swerve one jot or tittle from what he believed to be right. Simplicity marked his appearance, his reasoning, and his whole conduct. He was always genuine and natural. There was in him an unaffected humility; with him it was not the man, but the cause. He was remarkable, also, for his habitual devotion and regard to divine Providence. Nor was he less distinguished for his social qualities. Love appeared in all his purposes and acts. You could not be in his company without feeling it. He was ready for every good work or word. Those who saw him once knew him; intimacy gave a deeper insight, but furnished no ground for changing the opinion first formed of him. He would both originate and elucidate topics so that his conversation was always fertile, elegant, and attractive. His last sickness was pneumonia. As the end drew near he said to the writer, "I am almost home." On Sabbath, December 24, 1882, his body was taken to the East Springfield Methodist Episcopal Church. His funeral sermon was preached by the writer to the largest congregation ever assembled in the above church. The Rev. Mr. Gelford, of the Baptist Church; the Rev. Mr. Wilson, of the Presbyterian Church; the Rev. Mr. Compton, of the Christian Church, and the Rev. N. W. Jones, of Erie Conference, participated in the services, after which all that was mortal of him was laid away in the East Springfield Cemetery. He leaves a widow and a daughter.
Written by Rev. E. M. Kernick

Memoir
Methodist Episcopal Church
Erie Conference Journal
1883, Page 38