| Source: Woman's Committee, Council of National Defense, Missouri Division, "War Records" Location: Council of National Defense, Woman's Committee, Missouri Division, Records, Archives | |
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| Last Name: | Mackay |
| First Name: | Sydney |
| Middle Name: | Malcolm |
| County: | St. Louis |
| Box: | 11 |
| Folder: | 6 |
| Remarks: | Inducted at St. Louis, MO on October 18, 1918; served in the Student Army Training Corps, Washington University |
| Birth Date: | 1898 November 20 |
