1880 NYS Census: John Cassidy
1880 US Census
- Kings County
- Ward 17
- 82 Box Street
- Greenpoint, City of Brooklyn
- John Cassidy, m, w, 50, Carpenter, Born Ireland, Father born Ireland, Mother born Ireland
- Michael, m, w, son, 16, Born Ireland, works in oil works, Father born Ireland, Mother born Ireland
- Mary, f, w, daughter, 13, Keeping house, Born Ireland, Father born Ireland, Mother born Ireland