Rainham Builders
Family: Harold Hague McKinnon / J.I. Cowan (F184456)
Henry William Cowan (1887-1962) |
Catharine Neff (1886-1972) 
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| Frederick Armstrong Cowan (1916-1917) |
| Henry William Cowan (1916-1916) |
| Harold Hague McKinnon (1916-1948) |