| Son | Kevin Clark McMahon+ (b. 11 October 1948, d. 28 December 2008) |
| Pedigree Chart |
| Burial | Brendan W. McMahon was buried in Mount CarmelBG. | |
| Person Source | He had person sources.1 | |
| Marriage | 19 January 1948 | He and Elsie Louise Robertson were married on 19 January 1948 in Cook, Illinois, USABG.1 |
| Death | about 1971 | He died about 1971. |
| Last Edited | 20 August 2021 |