Wilhelmina "Minnie" Dorothy Peper (June 17, 1878 — January 15, 1960), known professionally as Jane Oaker, was an American theatre actress.

[2][3] Peper attended Vassar College, and the New York School of Dramatic Art.

[4] "I am ready to assert most positively and from personal observation that a big bank account is of the greatest importance in pushing a girl forward in a dramatic career," she wrote of her wealthy background, adding "a trunkful of imported toggery will give the rich girl an opportunity to appear in one of those coveted roles that calls for no more talent than a series of handsome gowns.

[2][7] Broadway appearances[8] by Oaker included roles in The Pit (1904),[9] The Pillars of Society (1904), The Silver Girl (1907),[10] Love Among the Lions (1910),[11] The Importance of Being Earnest (1910),[12] Cousin Lucy (1915),[13] Lightnin' (1918—1921),[14][15] and Los Angeles (1927—1928).

[18] In 1907 the New York Times reported that Oaker saved a five-year-old child in the path of an oncoming car on Broadway.