- Country: USA
- Genres: Comedy, Drama
- Release: 1918-08-18
- Director: William Bertram
- Writers: Clara Beranger , Jack Cunningham , Bertram George
- Language: English
- Stars: Marie Osborne , J. Morris Foster , Ruth King , William Quinn , Joffre Pershing Johnson
- Runtime: min
- Awards: N/A
- AKA: La conquête de Grand-Maman (France, French Republic) , Winning Grandma (United States of America) , Winning Grandma
- Plot: N/A
- IMDB:tt0190151
Winning Grandma Cast
William Bertram
Director
Marie Osborne
Marie Reading
J. Morris Foster
Will Reading
Ruth King
Mrs. Jasper Reading
William Quinn
Luther Parrish
Joffre Pershing Johnson
Smiling Sammy