| Title | 1900 US Census - Household of William Dennis | |
| Date | 15 June 1900 | |
| Date Viewed | 5 March 2010 | |
| Media | Ancestry.com digital image | |
| Page | sheet 22A, lines 13-15 | |
| Locality | ED 959, Ward 7, Somerville, Middlesex County, Massachusetts, USA | |
| Media Type | Census | |
| Source ID | S957 | |
| Linked to Individuals: 3 |
Mary L. DeCosta Florence Viola Dennis William H. Dennis | |
| Linked to Families: 1 |
Family: William H. Dennis / Mary L. DeCosta | |