[2][3] She grew up as a member of high society in Los Angeles from the age of 10.

[3] Hamilton began her career as a designer in New York City in the 1910s, only to move to Los Angeles to work for the Triangle Film Corporation shortly after.

[3] She designed many dresses for Hollywood silent actresses in the 1920s and 1930s,[1] including Gloria Swanson, Myrna Loy, Norma Shearer, Dolores del Río, Joan Crawford, Betty Davis, and Greta Garbo.

[2] She designed a dress whose pattern matched the ceiling of the ballroom inside the Biltmore Hotel painted by muralist John B. Smeraldi for its dedication in 1923.

[1][4] Hamilton was the editor of the fashion column in The Los Angeles Times from 1921 to 1934.