Family: Percival John Thomas Griffiths / Mary Rebecca McCormick (F2057)
m. 10 Dec 1919John Henry McCormick (1868-1946) 
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Sarah Adelia Haight (1875-1940)
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Roland Walter McCormick (1896-1978)  |
| Erma Grace McCormick (1894-1978) |
| Wilbur William McCormick (1903-1990) |
| William H McCormick (1905-1975) |
| Mable Adelia McCormick (1898-1987) |
| Percival John Thomas Griffiths (1897-1984) |
| Mary Rebecca McCormick (1900-1969)
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| Hilton Frank Griffiths (1926-2002) |