Susan Yeagley was born and raised in Nashville, Tennessee, and is a documented descendant of Mayflower pilgrims through her mother's lineage. She began acting at age 10 or 11 when she appeared in an Amy Grant music video. Her compensation was $25 and an Amy Grant album.
She graduated from USC Film School with honors and went on to become a member of the prestigious 'Sunday Company - Groundlings Improv Group' where she performed sketch comedy and improv. It was during that stint that a casting director saw her perform and cast her in her first film role, Cameron Crowe's Almost Famous.
She married Kevin Nealon on 3 September 2005 in Lake Cuomo, Italy, with four guests in attendance. She and Nealon became the parents of a boy, Gable Ness Nealon, on 29 January 2007 at St. John's Health Center in Santa Monica.
Susan's television credits include recurring roles on CBS's Rules of Engagement and FOX's Til Death. In addition, she has guest starred on ER, Friends, Reno 911, Curb Your Enthusia