| Source: World War I: Biography and Service Records:
Persons Who Enlisted in St. Louis City and
County. Addenda: Those Who Died in Service Location: Reading room / St. Louis shelves | |
 | |
| Last Name: | Clifford |
| First Name: | Robert |
| Middle Name: | Coyne |
| Illustration: | No |
| Rank: | Lieutenant |
| Death Year: | 1918 |
| Birth Year: | 1889 |
