Mona Geijer-Falkner was born on January 2, 1887 in Stockholm, Stockholms län, Sweden as Emilia Desdemona Geijer. She was an actress, known for Bara en mor (1949), Sommaren med Monika (1953) and Åsa-Nisse i full fart (1957). She was married to Hakon Wilhelm Falkner. She died on December 3, 1973 in Stockholm.