Katherine "Scottie" MacGregor (born Dorlee Deane McGregor; January 12, 1925 – November 14, 2018) was an American actress, best known for her role as Harriet Oleson in Little House on the Prairie. Katherine MacGregor was born Dorlee Deane McGregor on January 12, 1925, in Glendale, California, to Ralph S. McGregor and Beatrice E. Willard. When Katherine was a child, her mother Beatrice moved the family to Fort Collins, Colorado, where they lived most of Katherine's early life. She graduated from Northwestern University with a major in drama and moved to New York City in 1949. She was hired by the Arthur Murray Dance Studios as a dance instructor. She studied acting under N. Richard Nash, Sanford Meisner, and Stella Adler. She did summer stock in Lebanon, Pennsylvania as Dorlee Deane McGregor but switched to using the stage name Scottie Mac...read more