[6] Returning to the United States after the war, he married his wife Janet (née Jackson) at St. Stephen's in New York City in 1920, and settled in Long Island.

[3] According to American Illustration's project on Leslie Thrasher, "in 1926, against the advice of fellow artist Norman Rockwell, he agreed to complete a cover a week for Liberty Magazine over a six year period.

[5] Following cries for help from his wife, Thrasher, deaf at the time of the fire, was rescued unconscious from an upstairs bedroom by his neighbor and fellow artist, T. McFerguis Cooper.

[6][2] Nonetheless, Thrasher is occasionally mistaken for Rockwell, in particular the piece "Tipping the Scales", which appeared on the Saturday Evening Post in October 1936.

[8] In addition to his magazine cover illustrations, his work was featured prominently in advertisements for Chesterfield Cigarettes, Cream of Wheat, DuPont, and the Fisk Tire Company.