Morgan's married parents welcomed three children together and she was the oldest among them. However, while was still in her teens, her parents got divorced. After that, she began spending her weekdays with her mother and weekend with her father. Now, she is 22 years old but to date, she is not rumored to be having any love affairs.
Morgan York's first acting role came when she was less than a year, that time she appeared in the Thermometer commercial. Years after years, she began appearing in several television series, and finally in 2003, she made her feature film debut in Cheaper by the Dozen. When she was in her late teens, she was more interested in books and literature but she got less attracted towards acting and she also began hating herself as a child actress. She attended the University of Redlands and majored in a literature course. Her net worth is said to be around millions.