The History of Hendricks County (Chicago: Interstate Publishing, 1885)--Guilford Township, page 618
John Fullen, a prominent and successful business man of Plainfield, was born in Fayette County, Ind., Dec. 25, 1821, the second son of John and Jemima (Harrell) Fullen, natives of Virginia, who moved to Fayette County, Ind. in an early day. The father died in Fayette County, and John subsequently moved with his mother to Johnson County and settled on land entered by his father before his death. There he grew to manhood and remained till 1872, when he moved to Hendricks County and located in Plainfield, where he has since lived. He owns a fine farm of 200 acres in Johnson County, all under cultivation, and until his removal to Hendricks County he was successfully engaged in farming and stock-raising. He has accumulated a good property and is now living retired from active business life. He was married in 1841 to Rachel Smith, who died in Plainfield in 1881. They had a family of five sons and five daughters; four of the number are living. July 14, 1881, Mr. Fullen married Mary E. Barton. Mr. Fullen has been a member of the Baptist church since 1843 and for several years has been Deacon of his church. His wife is a member of the same denomination.