| Children |
| | 1. MCMAHON, William Samuel, b. 1839, d. 3 Jun 1905, London, United Kingdom (Age 66 years) [natural] |
| | 2. MC MAHON, Katherine Charlotte, b. 1839, Newtown, Breda, Down, Ireland , d. Mar 1919, Brentford, Middlesex, England (Age 80 years) [natural] |
| | 3. MC MAHON, Frances J, b. 1842, Ireland [natural] |
| | 4. MCMAHON, Beresford Burston, b. 26 Jul 1849, Paddington, Middlesex, England , d. 27 Nov 1890, Surrey, United Kingdom (Age 41 years) [natural] |
| | 5. MC MAHON, Gerold C, b. 1852, Belgium [natural] |
| | 6. MC MAHON, Lionel, b. 30 Jun 1856, France , d. Mar 1926, Hastings, Sussex (Age 69 years) [natural] |
|