Death Certificate identifies his parents as Andrew Grimm and Nancy Good.2

1900 Census, Lincoln Dist., Tyler Co., WV
Grim, Avner J., b. Feb. 1867, 33, m. 10 years, b. WV, parents b. WV
Myrtle F., wife, b. Nov. 1868, 31, m. 10 years, 5 children/4 survive, b. WV, father b. PA, mother b. WV
Ova, son, b. Dec. 1892, 7, b. WV
Olive, dau., b. April 1894, 6, b. WV
Della, dau., b. Nov. 1895, 4, b. WV
Minnie, dau., b. May 1899, 1, b. WV

1910 Census, Lincoln Dist., Tyler Co., WV
Grim, Andrew, 43, m.. 21 years, b. WV, parents b. PA, drayman
Myrtle, wife, 40, m. 21 yeras, 8 children/6 survive, b. WV, father b. PA, mother b. WV
Ova, son, 17, b. WV
Olive, dau., 15, b. WV
Della, dau., 14, b. WV
Minnie, dau., 10, b. WV
Howard, son, 6, b. WV
Chester, son, 2, b. WV

1920 Census, Lincoln Dist., Tyler Co., WV
Grimm, A. J., 52, b. WV, parents b. PA, teamster, transfer company
Myrtle, wife, 50, b. WV, father b. PA, mother b. WV
Minnie, dau., 20, b. WV
Howard, son, 16, b. WV, mail carrier, local P.O.
Chester, son, 12, b. WV