1800 U.S. Census, Eudora Township, Douglas County, Kansas
Sheet 12A
Dwelling 9, Household 9
Thomas, John A., white, male, 51, married, farmer, born in Saxe-Weimar, both parents born in Saxe-Weimar
Thomas, Eliza, white, female, 51, wife, married, keeping house, born in Pennsylvania, both parents born in Pennsylvania
Thomas, Lewis A., white, male, 23, son, single, works on farm, born in Pennsylvania, father born in Saxe-Weimar, mother born in Pennsylvania
Thomas, John W., white, male, 19, son, single, works on farm, born in Pennsylvania, father born in Saxe-Weimar, mother born in Pennsylvania
Thomas, Laura V., white, female, 17, daughter, single, at home, born in Pennsylvania, father born in Saxe-Weimar, mother born in Pennsylvania
Thomas, Emma, white, female, 10, daughter, single, at home, born in Pennsylvania, father born in Saxe-Weimar, mother born in Pennsylvania

1900 U.S. Census, Tecumseh Township, Shawnee County, Kansas
Sheet 6B
Dwelling 115, Family 119
Thomas, Lewis A., head, white, male, born October 1855, 44, married for 13 years, born in Pennsylvania, father born in Germany, mother born in Pennsylvania, gardner, 0 months not employed, can read and write, speaks English, owns home, mortgaged, on farm, 106 on farm schedule
Thomas, Ada B., wife, white, female, born October 1865, 34, married for 13 years, mother of 2 children of whom 2 are living, born in Kansas, father born in Kansas, mother born in England, can read and write, speaks English
Thomas, Lewis L., son, white, male, born July 1888, 11, single, born in Kansas, father born in Pennsylvania, mother born in Kansas, at school for 7-1/2 months, can read and write, speaks English
Thomas, Lawrence L., son, white, male, born April 1891, 9, single, born in Kansas, father born in Pennsylvania, mother born in Kansas, at school for 7-1/2 months
Family 120
Thomas, John A., head, white, male, born June 1828, 71, married for 48 years, born in Germany, both parents born in Germany, year of immigration 1849, 51 years in the United States, naturalized citizen, can read and write, speaks English
Thomas, Eliza, wife, white, female, born October 1827, 72, married for 48 years, mother of 5 children of whom 3 are living, born in Pennslvania, both parents born in Pennsylvania, can read and write, speaks English