| Source: World War I: Biography and Service Records:
Persons Who Enlisted in St. Louis City and
County Location: Reading room / St. Louis shelves | |
 | |
| Last Name: | Brennan |
| First Name: | Clifford |
| Middle Name: | J. |
| Illustration: | No |
| Address: | 5334a Wells Ave.; 3906 Page; 5140A Minerva Ave. |
| Rank: | Private |
| Birth Year: | 1895 or 1896 |
