1891 - 1978 (86 years)
Descendants (3 Generations)
Children (8) - Generation 2
| # | Children | Name | Born | Died | Father | Mother |
|---|
| 1 | | | b. Jan-Mar 1915 | d. Jan-Mar 1915 | Thewlis, James Young | McMahon, Helen |
| 2 | | | b. 18 Sep 1916 | d. 14 Dec 2011 | Thewlis, James Young | McMahon, Helen |
| 3 | | | b. Oct-Dec 1919 | d. Apr-Jun 1921 | Thewlis, James Young | McMahon, Helen |
| 4 | | | b. 27 Aug 1923 | d. Apr 1995 | Thewlis, James Young | McMahon, Helen |
| 5 | | | | | Thewlis, James Young | McMahon, Helen |
| 6 | | | b. Jan-Mar 1930 | d. Jul-Sep 1943 | Thewlis, James Young | McMahon, Helen |
| 7 | | | | | Thewlis, James Young | McMahon, Helen |
| 8 | | | b. 17 Nov 1931 | d. Jan-Mar 1934 | Thewlis, James Young | McMahon, Helen |
