Individual Details
Horatio Pleasants Mason
( - )
Families
| Father | Robert Irvine Anthony Mason |
| Mother | Katherine Sybil Carey (1929 - 1984) |
| Sibling | Charlotte Reed Mason |
( - )
| Father | Robert Irvine Anthony Mason |
| Mother | Katherine Sybil Carey (1929 - 1984) |
| Sibling | Charlotte Reed Mason |