1870 United States Federal Census, Black Brook, Clinton, New York: Dwyer, Ryan

Ancestry’s 1870 United States Federal Census, attached in the Ancestry tree to John Frederick Dwyer, Mary Ryan. Seen through the tree: the index entry is as the tree carries it, and the record itself has not been checked here.

Ancestry’s citation: Year: 1870; Census Place: Black Brook, Clinton, New York; Roll: M593_918; Page: 110B

From the research file (research/dwyer/Dwyer_Master_Research.md, October 2026): Black Brook. John 47, Mary 48, William 18 (born Ohio), Mary A. 17, Margaret 13, Catharine 12, John 10, Cornelius 8. Black Brook was the seat of the J. & J. Rogers iron works.