Mary’s children: John and Albert married sisters also named Kirk, Bill and Christina married siblings, Nancy Ann and Eliza married brothers.

1870 Rowan County census, Morgan Township, 14 July 1870
dwelling #37, family #37
Kirk, Mary 40F keeping house
Kirk, William 18M works on farm
Kirk, Christina 17F works on farm
Kirk, Thomas P 16M works on farm
Kirk, Johann I 15M works on farm
Kirk, Leah J 14F works on farm
Kirk, Sarah A 12F works on farm
Kirk, Albert R 10M works on farm
Kirk, Linda S 9F at home
Kirk, Nancy 8F at home
Kirk, Eliza C 7F at home

dwelling #38, family #38 is G. W. Arey 42M farmer

1880 Rowan County census
Mary KIRK   Self   W   Female   W   50 NC Keeping House
Sarah A. KIRK   Dau   S   Female   W  22 NC   At Home
Londa S. KIRK   Dau   S   Female   W   19 NC   At Home
Nancy A. KIRK   Dau   S   Female   W  18  NC   At Home
Eliza C. KIRK   Dau   S   Female   W  16  NC