Hildegard Knauf, born October 2, 1894, is found in the 1900 Federal Census with her family in Jackson Township, Cambria County, Pennsylvania. The record indicates that her father, Earnest, and her mother, Adeline, were both born in Austria and immigrated in 1890. Hildegard's siblings were Adelaide J., Earnest, Rose, Helen, Paulina, and Carl.

Hildegard was called "Hilda" in the 1910 census. She also had another sister, Florence.

At the time of the 1920 census of Pittsburgh, Hilda (Hildagard(e)) Knauf, Trained Nurse - Own Practice, was a lodger on Friendship Avenue, Pittsburgh. Other nurses also lodged there, including Teresa M. Mayer, Class of 1914, and Barbara M. Siegmann, Class of 1915.

In the 1930 and 1940 Federal Census records, Hildegard A. Knauf, registered nurse, born in Pennsylvania about 1895, was residing in Seattle, King County, Washington. Her father was born in Austria and her mother in Germany.

On November 20, 1946, Hildegarde and Fred Albert Grow were married in Seattle by a Justice of the Peace. Fred's first wife, Inez, died a year earlier.

Fred A. Grow, 92, died October 8, 1969, and he is buried at Port Madison Cemetery. Hildegarde died October 4 (or 29), 1992 in Bellingham, Washington, and she is buried at Kane Cemetery, Bainbridge, Kitsap County, Washington. Her gravestone reflects her name Hildegarde A. Grow, but when she applied for a Social Security Card, she used "Hilda." [The SS Death Index gives her death date as Oct 29; the Washington State Death Index shows Oct 4.]