All I was able to find was an 1860 Census record that might match what you are after. I couldn't find the same in 1850.

The subject, Susanna Fisher, might be the mother of your Susan Fisher, who is living in the household. Maybe some of the names would match others already in your research.

Name: Susanna Fisher
Age in 1860: 32
Birth Year: abt 1828
Birthplace: Pennsylvania

Home in 1860: Harrisburg Ward 4, Dauphin, Pennsylvania
Gender: Female
Post Office: Harrisburg

Household Members:

Name Age

Susanna Fisher 32
Mary Fisher 17
Malinda Fisher 20
Susanna Fisher 14
Anna Fisher 13
America A Fisher 10
Anna Fisher 4