Children |
| 1. Everett George O'Brien, Jr, b. 8 Dec 1903, Lowell, Middlesex, Massachusetts, USA d. 9 Nov 1960, Philadelphia, Philadelphia, Pennsylvania, USA (Age 56 years) |
| 2. William James O'Brien, b. 28 July 1905, Lowell, Middlesex, Massachusetts, USA d. Jun 1960, Lowell, Middlesex, Massachusetts, USA (Age 54 years) |
| 3. Edith O'Brien, b. 2 November 1906, Lowell, Middlesex, Massachusetts, USA d. 20 March 1908, Lowell, Middlesex, Massachusetts, USA (Age 1 year) |
| 4. Francis James O'Brien, b. 15 Oct 1908, Lowell, Middlesex, Massachusetts, USA d. 14 Apr 1988, Lowell, Middlesex, Massachusetts (Age 79 years) |
| 5. Walter Henry O'Brien, b. 20 Jul 1910, Lowell, Middlesex, Massachusetts, USA d. 15 Jun 1980, Ventura, Ventura, California, USA (Age 69 years) |
| 6. Gertrude Frances O'Brien, b. 28 Mar 1912, Lowell, Middlesex, Massachusetts, USA d. 22 Dec 1989, Lowell, Middlesex, Massachusetts, USA (Age 77 years) |
| 7. Alice May O'Brien, b. 7 Jan 1914, Lowell, Middlesex, Massachusetts d. Sep 1994, Chelmsford, Middlesex, Massachusetts, USA (Age 80 years) |
| 8. Prudence O'Brien, b. 10 Aug 1916, Lowell, Middlesex, Massachusetts, USA d. 21 Sep 1991, Lowell, Middlesex, Massachusetts, USA (Age 75 years) |
| 9. Ann Elizabeth O'Brien, b. 25 Sep 1918, Lowell, Middlesex, Massachusetts, USA d. 3 Jul 1984, Lowell, Middlesex, Massachusetts, USA (Age 65 years) |
| 10. Dorothy O'Brien, b. 8 Oct 1920, Lowell, Middlesex, Massachusetts, USA d. 1957, Lowell, Middlesex, Massachusetts, USA (Age 36 years) |
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