Apparently Charlotte married Homer M. Hill, not Henry C. Cameron (unless Hill was an alias for Cameron).
"Charlotte Elenora Ault and Henry C. Cameron were married on 18 Feb 1879 in Chicago."
She died on 26 Oct 1879 in Chicago and her burial site
Name Homer M. Hill
Birth Year (Estimated) 1844
Birth Date 1844
Birthplace Of Erie, Erie, Penn.
Spouse's Name Charlotte E. Ault
Spouse's Age 26
Spouse's Birth Year (Estimated) 1853
Spouse's Birth Date 1853
Spouse's Birthplace Of Chicago, Cook, Illinois
Event Date 18 Feb 1879
Event Place Chicago, Cook, Illinois