Could this be Harriet?
In 1880, Harriet and Charles lived at 73 Lafayette Ave. in Toledo:
head, Harriet, 38, widow, WI WI WI
son, Charles, 17, KS Wales WI, telegraph messenger boy
boarder, James OBRIEN, 31, widow, IE IE IE, engineer
1900 census, Chicago, Cook, IL:
head, Anne EDWARDS, 71, b Jun 1828, widow, 8 chn, 3 living, Wales Wales Wales
dau, Harriet N. ELY, 53, b Nov 1847, widow, 1 child-deceased, Wisconsin Wales Wales
In the 1850 census, Harriet lived with her family in Chicago and the household consisted of E. M. 32 Wales, Ann 21 Wales, John M. 2 Wisconsin and Harriet 3 Wisconsin.
In 1870, the ELYs are in Carrollton, Greene, IL:
Ralph 34 NY engineer, Hattie 27 HK (house keeping?) Wisconsin and Charley 7 Kansas.