1870 Census, Rogersville PO, Aleppo Twp., Greene Co., PA, p. 142:
Grim, Isaac, 42, farmer, b. PA
Elizabeth, 34, keeping house, b. PA
Armstrong, 12, b. PA
Sarah E., 7, b. PA
Joshua M., 4, b. PA
Hetty, 1, b. PA

Caldwell’s 1876 Business Directory, Aleppo Twp.
I. N. Grim, b. Greene Co., Aleppo Post Office, settled 1828?, 60 sheep, 268 acres, farmer1028

1880 Census, Aleppo Twp., Greene Co., p. 128:
Grim, Isaac, 52, farmer
Cathrine, 35, wife, keeping house
Armstrong, 22, son, student at school
Sarah E., 17, daughter, at school
Joshua, 14, son, works on farm
Hettie V., 11, daughter
Frances E. M., 7, daughter
Lara, 5, daughter
Mattie, 2, daughter
Kent, James, 13, stepson
Charlotte, J., 11, stepdaughter
Sarah E., 6, stepdaughter

1900 Census, Aleppo Twp., Greene Co., PA:
Grim, Isaac, b. March 1829, 71, married 25 years, b. WV, parents b. PA, farmer
Catherine, wife, b. April 1845, 55, married 25 years, 8 children, 7 survive, b. PA, parents b. PA
Laura, daughter, b. Feb. 1876, 24, b. PA, nurse
Mattie, daughter, b. April 1878, 22, b. PA, teacher (music)
Garfield, son, b. Sept. 1880, 19, b. PA, farm laborer
Isaac is listed next to his son, Armstrong and Jennie E. Grim

1910 Census, Aleppo Twp., Greene Co., PA
Grim, Isaac N., 82, married 34 years, b. WV, parents b. PA
Katherine, wife, 65, married 34 years, 4 children, 4 survive, b. PA, parents b. PA

Obituary from Democrat Messenger, Waynesburg, PA, January 4, 1918:
“Isaac N. Grim, a well known retired farmer, of Bristoria, died at his home Thursday afternoon, January 3, 1918, at 1 o’clock, aged 84 years. His death was due to the infirmities incident to old age. Mr. Grim was twice married, his first wife being Miss Elizabeth Funk, a sister of Levi and Jonathan Funk, of Waynesburg. To this union were born five children, all of whom survive. They are Armstrong Grim, Mrs. David McCracken and Mrs. David Whipkey, of Bristoria; Mrs. Effie Riggle, of Cameron, W. Va., and Joshua Grim, of Ashtabula, Ohio. For his second wife he married Miss Catherine Hoge Kent, who survives. To this union were born three children, all of whom are living. They are Mrs. Laura Lewis, of Los Angeles, Cal.; Mrs. Harry Y. Murray, of Warren, O., and Garfield Grim, of Springfield, O. He is also survived by two stepsons, R. V. Kent, of Waynesburg, R. D. 3. In politics Mr. Grim was a staunch Republican and always took an active interest in the activities of the party. He was actively engaged in farming until about two years ago. He was a member of the Church of God. Funeral services will be held Sunday morning at 10 o’clock.”1022

Ken Grim and Bill Muller give Isaac’s birth date as Mar. 25, 1828.499