My records show Joshua Lanfear, b <1824>, NY, = Mary A. b.<1825>; daus: Nellie, b. 1863; Carrie, b. <1868>;Source:1880 Census, Gardner, Grundy, Illinois.
We also show Joshua Lanfear = Mary Ann Waters, 26 Apr 1849, in Will Co, Illinois (which is near Gardner).Source: Illinois Statewide marriage Index, 1763-1900.
These likely are the same person.
A Joshua Lanfear, III, b. 21 Jul 1822, Sempronius, NY; d. 13 Jan 1823; also Joshua Jr, b. 8 Jan 1811, d. 18 Sep1816; and Joshua b. 13 Mar 1771, d. 24 Jan 1862.Between Jr and III was Asa Lanfear , b. 3 Dec 1793.