Hi Mary, This is all I have found on my husband's branch of the Killman's so far. 1850 Federal Census for Overton Co., Tenn. James Killman, age 32, farmer born in Tenn. Matilda, age 26, born Kentucky Mary, age 4, born Kentucky (MARY JANE KILLMAN-my husband's great-grandmother. William, age 2, born Tenn. Stephen, age 1, born Tenn.
1870 Census for Pulaski Co., Missouri James Killman, age 50, farmer, born Tenn. Matilda, age 45, born Tenn. Thomas, age 22, farm laborer, born Tenn. Elizabeth, age 16, born Tenn. John, age 14, born Tenn. Robert, age 12, born Missouri Missouri, age 9, born Missouri
Mary Jane Killman married Thomas Benson Nelson, they lived next door to the Killman's on the 1870 Census for Missouri.
Mary Jane Killman and Thomas Benson Nelson are on the 1880 Census for Jack Co., Texas.