| Children |
| | 1. John Blacker Buchanan, Esq., b. 27 Jan 1821, Omagh, Drumragh, Tyrone, Ireland  d. 30 Dec 1861, Omagh, Drumragh, Tyrone, Ireland (Age 40 years) |
| | 2. Jane Elizabeth Buchanan, b. 1822, Omagh, Drumragh, Tyrone, Ireland d. 3 Dec 1910, Lisnamallard, Cappagh, Tyrone, Ireland (Age 88 years) |
| | 3. Sarah Caroline Buchanan, b. 1823, Omagh, Drumragh, Tyrone, Ireland d. 28 Mar 1893, Lisnamallard, Cappagh, Tyrone, Ireland (Age 70 years) |
| | 4. James Blacker Buchanan, b. Omagh, Drumragh, Tyrone, Ireland d. 13 Apr 1852, Lisnamallard, Cappagh, Tyrone, Ireland |
| | 5. George Buchanan, Esq., b. 1827, Omagh, Drumragh, Tyrone, Ireland d. 7 Jun 1897, Bromley, Kent, England, UK (Age 70 years) |
| | 6. Elizabeth Eleanor Buchanan, b. 1829, Omagh, Drumragh, Tyrone, Ireland d. 4 Apr 1906, Omagh, Drumragh, Tyrone, Ireland (Age 77 years) |
| | 7. William Blacker Buchanan, b. Abt. 1831, Omagh, Drumragh, Tyrone, Ireland d. 9 Feb 1856, Cocos Islands, Java, Indonesia (Age ~ 25 years) |
| | 8. Mansergh George Buchanan, b. Oct 1832, Omagh, Drumragh, Tyrone, Ireland d. 4 Oct 1876, Omagh, Drumragh, Tyrone, Ireland (Age ~ 43 years) |
| | 9. Alexander Carlisle Buchanan, b. Feb 1834, Omagh, Drumragh, Tyrone, Ireland d. 3 Dec 1897, Quebec, Capitale-Nationale Region, Quebec, Canada (Age ~ 63 years) |
| + | 10. Col. Lewis Mansergh Buchanan, C.B., b. 31 Dec 1836, Omagh, Drumragh, Tyrone, Ireland d. 23 Apr 1908, Edenfel, Tyrone, Ireland (Age 71 years) |
|
- 1857
