Dr. Larkin was raised in Florida, but has lived in Alexandria since 1977. She has been married to her husband, Mike (retired from the Air Force and working now as an electrical engineer for Lockheed-Martin), for over thirty years and they have 3 grown children: Marnie, Katie, and James.

After being a homemaker for eleven years, she attended George Mason University to finish her B.S. degree, then went on to George Washington University for her M.D. Finally, she completed her internship and residency in Pediatrics at Georgetown University.

Dr. Larkin has a special interest in special-needs children, foreign adoptees, and asthma. Her outside interests include her church work, cooking and sewing.