Dorothy Marie Mengering was born Dorothy Marie Hofert on July 18, 1921, in Linton, Indiana, and died on April 11, 2017.

She was better known to Late Night and Late Show viewers as Dave’s Mom.

She was the mother of late-night talk show host David Letterman and frequent telephone and live guest on his show.

Dorothy Mengering appeared on camera (identified as Dorothy Mengering) on Late Night with David Letterman on the “Parents’ Night” broadcast of February 25, 1986, in which the parents of many Late Night staffers were also seen.

After a few years of appearing via telephone, Mengering (usually billed as “Dave’s Mom” or “Dave’s Mom Dorothy”, with no mention of her surname) became a recurring on-camera guest on Letterman’s subsequent Late Show, initially by covering the 1994 Winter Olympics in Lillehammer, Norway.

Dorothy Mengering reside in Carmel, Indiana, at the time of her death.

She was the oldest child of Lena M. (née Strietelmeier) and Earl Jacob Hofert.

He maternal grandparents, Fredricke Hilgediek and William Strietelmeier, who were born in Germany, and her father was of German descent.

Dorothy Mengering passed away at 95 years old.