| Children |
| | 1. Samuel COSTELLO, b. Abt 1824, , , , Ireland d. Yes, date unknown |
| | 2. Thomas COSTELLO, b. Abt 1826, , , , Ireland d. Yes, date unknown |
| | 3. Margaret COSTELLO, b. Abt 1831, Ottawa, Carleton, Ontario, Canada d. Yes, date unknown |
| | 4. Anne COSTELLO, b. Abt 1832 d. Yes, date unknown |
| | 5. Esther COSTELLO, b. Abt 1834 d. Yes, date unknown |
| | 6. Arthur COSTELLO, b. Abt 1836, , , , Ireland d. Yes, date unknown |
| | 7. Francis COSTELLO, b. Abt 1843, Fitzroy Twp, Carleton, Ontario, Canada d. 28 Sep 1924, Ross Twp., Renfrew, Ontario, Canada (Age ~ 81 years) |
| | 8. James COSTELLO, b. Abt 1843, Fitzroy Twp, Carleton, Ontario, Canada d. 5 Apr 1918, Gladstone, Manitoba (Age ~ 75 years) |
| | 9. William COSTELLO, b. Abt 1843, Fitzroy Twp, Carleton, Ontario, Canada d. Yes, date unknown |
| | 10. John COSTELLO, b. Abt 1846, Fitzroy Twp, Carleton, Ontario, Canada d. Yes, date unknown |
| | 11. Charles COSTELLO, b. 9 Apr 1847, Westmeath Twp., Renfrew, Ontario, Canada d. 23 May 1928, Pembroke, Renfrew, Ontario, Canada (Age 81 years) |
| | 12. Isaac COSTELLO, b. 25 Dec 1859, Snake River, Renfrew, Ontario, Canada d. 1923, Warren, Sudbury, Ontario, Canada (Age 63 years) |
| | 13. Simeon COSTELLO, b. Dec 1847, , , Ontario, Canada d. 1922 (Age ~ 74 years) |
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