Mary Carr (14 March 1874 – 24 June 1973) was an American film actress and was married to the actor William Carr (1866–1937). She appeared in 144 films between 1915 and 1956.
| Movie | Friendly Persuasion | Emma - Quaker Woman (uncredited) | 1956-10-30 |
| Movie | Partners in Time | Miss Rutledge (uncredited) | 1946-04-04 |
| Movie | Devil Monster | Mother of Jose | 1946-06-29 |
| Movie | Oregon Trail | Granny Layton | 1945-07-14 |
| Movie | Eagle Squadron | Mother | 1942-06-16 |
| Movie | The Shop Around the Corner | Grandmother (uncredited) | 1940-01-12 |
| Movie | Manhattan Heartbeat | Grandma in Music Store | 1940-07-11 |
| Movie | Haunted House | Grandma | 1940-07-21 |
| Movie | East Side of Heaven | Mrs. James Travers (uncredited) | 1939-04-07 |
| Movie | West of Rainbow's End | Mrs. Martha Carter | 1938-01-12 |
| Movie | Music for Madame | Bus Passenger (Uncredited) | 1937-10-08 |
| Movie | The Country Doctor | Woman with Baby Clothes (uncredited) | 1936-03-12 |
| Movie | Postal Inspector | Mrs. John Mead (uncredited) | 1936-08-16 |
| Movie | Go Into Your Dance | Wardrobe Mistress | 1935-04-20 |
| Movie | I Don't Remember | Harry's Mother | 1935-12-25 |
| Movie | Bedside | Heart Patient | 1934-01-27 |
| Movie | Change of Heart | Mrs. Rountree | 1934-05-18 |
| Movie | The Loudspeaker | Grandma | 1934-06-01 |
| Movie | The World Accuses | Mrs. Warren | 1934-11-11 |
| Movie | Whom the Gods Destroy | Madge | 1934-07-12 |
| Movie | Flying Devils | Mrs. Murray | 1933-07-14 |
| Movie | Headline Shooter | Flood Victim (uncredited) | 1933-07-28 |
| Movie | The Power and the Glory | Flower peddler (uncredited) | 1933-10-06 |
| Movie | Running Hollywood | Mary Carr | 1932-01-27 |
| Movie | Pack Up Your Troubles | Old Woman with Letter | 1932-09-16 |
| Movie | Forbidden Trail | Mrs. Middleton | 1932-11-18 |
| Movie | Young Blood | Widow | 1932-11-05 |
| Movie | Beyond Victory | Bud's Mother | 1931-04-03 |
| Movie | The Primrose Path | Grandmother | 1931-01-25 |
| Movie | Honeymoon Lane | Mother Murphy | 1931-07-25 |
| Movie | Kept Husbands | Mrs. Brunton | 1931-02-22 |
| Movie | One Good Turn | Old Lady | 1931-10-31 |
| Movie | The Law of the Tong | Mother McGregor | 1931-12-15 |
| Movie | The Fighting Marshal | Aunt Emily | 1931-11-25 |
| Movie | Trailing Trouble | Old Lady | 1930-03-23 |
| Movie | Ladies in Love | Mrs. Wood | 1930-05-04 |
| Movie | Hot Curves | 'Grandma' Dolan | 1930-06-14 |
| Movie | The Utah Kid | Aunt Ada | 1930-10-27 |
| Movie | Sailor's Holiday | Mrs. Pike | 1929-09-14 |
| Movie | Frau Sorge | Frau Meyhöfer alias “Frau Sorge” | 1928-02-07 |
| Movie | The Riding Renegade | Mrs. Taylor | 1928-02-19 |
| Movie | Lights of New York | Mrs. Morgan | 1928-07-18 |
| Movie | Blonde or Brunette | Grandmother | 1927-01-08 |
| Movie | On Your Toes! | Grandmother | 1927-11-27 |
| Movie | The King of the Turf | Martha Fairfax | 1926-02-28 |
| Movie | The Midnight Message | Widow Malone | 1926-07-19 |
| Movie | The Hidden Way | Mother | 1926-07-26 |
| Movie | Atta Boy | Grandmother | 1926-10-10 |
| Movie | The Wizard of Oz | Aunt Em | 1925-02-12 |
| Movie | The Parasite | Mrs. Laird | 1925-01-20 |
| Movie | Drusilla with a Million | Drusilla Doane | 1925-06-18 |
| Movie | Flaming Waters | Mrs. Mary O'Neil | 1925-12-13 |
| Movie | A Slave of Fashion | Mother Emerson | 1925-08-23 |
| Movie | The Red Kimona | Prison Matron | 1925-11-16 |
| Movie | His Master's Voice | Mrs. Henley | 1925-09-01 |
| Movie | Damaged Hearts | The Mother | 1924-02-21 |
| Movie | Painted People | Mrs. Lane | 1924-01-28 |
| Movie | Why Men Leave Home | Grandma Sutton | 1924-03-03 |
| Movie | Three Women | Mrs. Colman - Fred's Mother | 1924-08-18 |
| Movie | The Custard Cup | Mrs. Penfield | 1923-01-01 |
| Movie | Over the Hill to the Poorhouse | Ma Benton | 1920-09-17 |
| Movie | Mrs. Wiggs of the Cabbage Patch | Mrs. Nancy Wiggs | 1919-02-16 |
| Movie | My Own United States | Mrs. Alexander Hamilton | 1918-04-07 |
| Movie | The Birth of a Race | Mrs. O'Brien | 1918-01-02 |
| Movie | Love's Toll | Mrs. Lane | 1916-05-08 |
| Movie | Ignorance | The Mother | 1916-12-01 |