No fillies have won the Grand National but twelve mares have won the race:
Miss Mowbray (1852), Anatis (1860), Jealousy (1861), Emblem (1863), Emblematic (1864), Casse Tete (1872), Empress (1880), Zoedone (1883), Frigate (1889), Shannon Lass (1902), Sheila's Cottage (1948) and Nickel Coin (1951).
Fillies and mares are both female horses but fillies are aged 4 years or younger.