Frances Trego Montgomery (July 18, 1858 – April 5, 1925) was an American children's book writer best known for her series of books about the goat Billy Whiskers.

Frances Trego Montgomery was born on July 18, 1858 in Philadelphia.

[1] Starting in 1902, Montgomery published a series of children's books starring the goat Billy Whiskers, who had mischievous adventures all over the world.

[5] Frances Trego Montgomery died on 5 April 1925 onboard the SS Franconia as it was sailing between Hong Kong and Shanghai.

[1] She married wealthy Chicago broker Hugh M. S. Montgomery and they had two daughters.