Children |
| 1. Joseph William O'Sullivan, b. 4 Nov 1911, Crystal, Pembina, North Dakota d. 23 Jun 1975, San Lorenzo, California, USA (Age 63 years) |
| 2. James MacKenzie O'Sullivan, b. 12 May 1913, Crystal, Pembina, North Dakota d. 15 Aug 1919, Grand Forks, North Dakota, USA (Age 6 years) |
| 3. Margaret Genevieve O'Sullivan, b. 31 Jul 1914, Crystal, Pembina, North Dakota d. 19 Jul 1999, Hillsboro, North Dakota, USA (Age 84 years) |
| 4. John Richard O'Sullivan, b. 5 Jul 1916, Crystal, Pembina, North Dakota d. 7 Jun 1928, Crystal, Pembina, North Dakota (Age 11 years) |
| 5. Ida Elizabeth O'Sullivan, b. 21 Feb 1918, Crystal, Pembina, North Dakota d. 18 Aug 2009, Rochester, Olmstead, Minnesota (Age 91 years) |
| 6. Charles Michael O'Sullivan |
| 7. Louis Palmer O'Sullivan, b. 17 Jul 1922, Crystal, Pembina, North Dakota d. 21 Aug 1985, Hayward, California, USA (Age 63 years) |
| 8. Ann Bernice O'Sullivan, b. 3 May 1924, Crystal, Pembina Co., North Dakota d. 26 Aug 2008, Lake City, Wabasha Co., Minnesota (Age 84 years) |
| 9. Helene Louise O'Sullivan, b. 6 Feb 1926, Crystal, Pembina, North Dakota d. 15 Feb 2013, Crystal, Pembina, North Dakota (Age 87 years) |
| 10. Mary Katharine O'Sullivan, b. 27 Mar 1928, Crystal, Pembina, North Dakota d. 21 Feb 1999, Grand Forks, North Dakota, USA (Age 70 years) |
| 11. Theresa Claire O'Sullivan, b. 29 Jan 1931, Crystal, Pembina Co., North Dakota d. 28 Oct 2006, Racine, Racine Co., Wisconsin (Age 75 years) |
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