| Birth | 9 Mar 1893 | Mary E. Hilgert was born on 9 Mar 1893 in Bird Island, Renville County, Minnesota. |
| Marriage | 23 Apr 1913 | She and Nicholas Valentine Schwebach, son of Eugene J. Schwebach and Annie Burg, were married on 23 Apr 1913 in Bird Island, Renville County, Minnesota. |
1920 Census
(Spouse of Head)
| 8 Jan 1920 | Mary appeared in the 1920 Federal Census of Dell Rapids, Minnehaha County, South Dakota, as Mary Schwebach, with her husband, Nicholas Valentine Schwebach, and their children, Nicholas, Eugene and Leonard. She is a married white male, age 25. Wife of head of household. She is able to read and write. She was born in Minnesota. Her mother and father were born in Germany, their mother tongue is German. She is able to speak English. She has no occupation. |
| SSN | 1951 | Her social security number was issued in South Dakota in 1951. |
| SSN Residence | 1980 | Her death residence locality, per the Social Security Administration, was in Dell Rapids, Minnehaha County, South Dakota. |
| Death | 21 Jan 1980 | Mary E. Hilgert died on 21 Jan 1980 in Dell Rapids, Minnehaha County, South Dakota, at age 86.  |
| Burial | after 21 Jan 1980 | She was buried after 21 Jan 1980 in Saint Mary's Catholic Cemetery, located in Dell Rapids, Minnehaha County, South Dakota. |
| SSN_LstBen | | Her last benefit locality, per the Social Security Administration, was in Dell Rapids, Minnehaha County, South Dakota. |
Mary E. Hilgert