1860 Census, Jefferson Twp., Fayette Co., PA, p. 150
Kelly, Joseph, 28, turner, b. PA
Martha, 22, b. PA
Wilmat, 2, b. PA
James, 1, b. PA

1870 Census, Redstone Twp., Fayette Co., PA, July. 19, 1870, p. 360
Kelley, Joseph, 38, turner, Real Estate value $1200, Personal Estate value $125, b. PA
Martha, 33, keeping house, b. PA
Francis, 7, female, b. PA
Margaret, 4, b. PA
Rebecca, 1, b. PA
Note: Jefferson Twp., p. 225B lists
Essington, James, 56, farmer
Orpha, 53, keeping house
James, 17, farm laborer
Harvey, Lucy, 12, b. PA
Kelly, Orpha E., 6, b. PA--this appears to be daughter of Joseph & Martha Kelly. Could James & Orpha Essington be the parents of Martha Kelly?

1880 Census, Redstone Twp., Fayette Co., PA, June 10, 1880, p. 380A
Kelley, Joseph, 46, farmhand, b. PA, parents b. PA
Martha, 39, wife, keeping house, b. PA, parents b. PA
Wilmat, 23, son, farmhand, b. PA
Francis, 18, daughter, at home, b. PA
Orpha E., 16, daughter, b. PA
Margaret, 13, daughter, b. PA
Rebecca J., 10, daughter, b. PA
William P., 9, son, b. PA
Emma, 5, daughter, b. PA
Nora C.?, 2, daughter, b. PA