Original records includes minutes, a manuscript history of the church by Asa Starr, a membership list, an agreement as to a bequest by James Duane Squiers, and an indenture. Also a "Manual of the First Baptist Church" (1880), the minutes of the sixty-fourth anniversary of the Cortland Baptist Association (1891) and manuscript minutes of the Baptist missionary society (1884-1891).

Articles of faith, church covenant and minutes of regular and special church meetings, dealing with church finances, abolition, temperance, and religious discipline. Also three unrelated items: a sermon entitled "The hard-shell Baptists" (n.d.) satirizing that type of group; "The Baptist church manual" (1853); and "The Sunday School receiving book" (1838-1850) which lists pupils, dates of entry, parents' names, occupations and characters, residences, classes and remarks.