Individual Details
John Lorne CLAPPER
( - )
Families
| Spouse | Opal MASON ( - ) |
| Father | Willard L. CLAPPER (1878 - 1977) |
| Mother | Emma Jane SMITH ( - ) |
| Sibling | Clarence Clyde CLAPPER ( - ) |
| Sibling | Margaret Evelyn CLAPPER ( - ) |
| Sibling | Susan Edythe CLAPPER ( - ) |
| Sibling | Bernard Bruce CLAPPER (1906 - 1910) |
| Sibling | William Kurtz CLAPPER ( - ) |
| Sibling | Joseph Willard CLAPPER ( - ) |
| Sibling | Paul Warren CLAPPER ( - ) |
| Sibling | Ralph Irvin CLAPPER ( - ) |
| Sibling | Helen Virginia CLAPPER ( - ) |