Whose sister did Melissa Sue Anderson play in "Little House on the Prairie?"
Mary Ingalls Mary Amelia Ingalls (January 10, 1865 – October 20, 1928) was born near the town of Pepin, Wisconsin. She was the first child of Caroline and Charles Ingalls. She was the older sister of author Laura Ingalls Wilder, who is best known for her "Little House on the Prairie" book series.
Lani O'Grady Lani O'Grady (October 2, 1954 – September 25, 2001) was an American actress and talent agent. She is best-remembered for her role as Mary Bradford, the eldest sister from "Eight Is Enough".