Facts: - death place: los angeles , california , united states - caption: mann woman '' -lrb- 1920 -rrb- in an ad for '' once to every - yearsactive: 1918 - 1941 - death date: 4 february 1941 - birth date: 4 april 1868 - name: margaret mann - image size: 200px - image: margaret holubar 1920.png mann in once to every woman by allen - birth place: aberdeen , scotland , united kingdom - occupation: actress Based on these bullet points, write a short biography describing the life of margaret mann .
The answer to this question is:
margaret mann -lrb- 4 april 1868 aberdeen , scotland - 4 february 1941 los angeles , california -rrb- , was a scottish-american actress .margaret mann starred in a number of major silent films such as '' black beauty '' in 1921 and played the lead role in john fords 1928 drama '' four sons '' , one of john wayne 's first films .she often played kind-hearted or suffering motherly roles .with the advent of sound films her roles got noticeable smaller and she was often uncredited .she portrayed the kindly grandmother mrs. mack in two '' our gang '' comedies in 1931 .she also played bit parts in movies like '' frankenstein '' , '' you ca n't take it with you '' , '' gone with the wind '' and '' mr. smith goes to washington '' -lrb- 1939 -rrb- .her last of over 80 movies was '' the remarkable andrew '' -lrb- 1942 -rrb- , released one year after her death .mann died of cancer in 1941 , aged 72 .not much about her private life is known , although a press release of 1928 said that mann lived through many tragedies and hardships in her life .