| Birth | 13 January 1898 25 22 |
| Christening | 20 March 1898 (Age 2 months) |
| Birth of a sister | Grace Anndyne Mason 21 October 1899 (Age 21 months) |
| Christening of a sister | Grace Anndyne Mason 26 November 1899 (Age 22 months) |
| Birth of a brother | Reginald Mark Mason 15 November 1901 (Age 3 years) |
| Christening of a brother | Reginald Mark Mason 2 December 1901 (Age 3 years) |
| Death of a brother | Reginald Mark Mason 12 March 1902 (Age 4 years) |
| Birth of a sister | Louise Mason 20 December 1902 (Age 4 years) |
| Christening of a sister | Louise Mason 20 December 1902 (Age 4 years) |
| Birth of a sister | Mabel Ismay Mason 12 January 1909 (Age 10 years) |
| Christening of a sister | Mabel Ismay Mason 21 February 1909 (Age 11 years) |
| Last change | 14 February 2005 – 22:54:12 |