1910 Census, Waynesburg Borough, Greene Co., PA
Knight, Thos. R., head, 51, m. 29y, b. PA, parents b. PA, lineman, telephone
Ida M., wife, 49, m. 29y, 1 child/1 survives, b. PA, father b. PA, mother b. OH
Call, Martha, mother-in-law, 77, widowed, b. OH, parents b. NJ

1920 Census, Waynesburg, Franklin Twp., Greene CO., PA
Knight, Thomas R., head, 62, b. PA, parents b. PA, lineman, telephone
Ida M., wife, 58, b. PA, parents b. OH

1930 Census, Waynesburg Borough, Greene Co., PA
Knight, Thomas R., head, own home, $10,000, 73, married at age 24, b. PA, parents b. PA, lineman, telephone
Ida M., wife, 68, married at age 20, b. PA, parents b. OH