| Birth | 1881 | Galveston, Galveston, Texas | | | |
| Birth | 12 May 1881 | Galveston, Galveston, Texas | | | |
| Marriage | Abt 1905 | Dr Leroy Jasper "Roy" Wheeler Sr | | | |
| Census | 1910 | Galveston Ward 1, Galveston, Galveston, Texas | | | |
| Census-shared | 1910 | (Dr Leroy Jasper "Roy" Wheeler Sr) Galveston Ward 1, Galveston, Galveston, Texas | | | |
| Census-shared | 1920 | (Gustav A. Pfeifer) Galveston, Galveston, Texas | | | |
| Residence | 1952 | Houston, Harris, Texas | | | |
| Death | 24 Jul 1968 | 3215 Sunset Blvd - Houston, Harris, Texas | | | |
| Burial | 26 Jul 1968 | Forest Park Westheimer Cemetery, Houston, Harris, Texas | | | |
| Alt name | | Bertha J. Pfeifer | | | |
