technology trends | January 13, 2026

Mary Pat Christie siblings: Who are her 9 brothers and sisters?

American investment banker Mary Pat Christie, née Foster, was the First Lady of New Jersey from 2010 until 2018.

She was born on September 15, 1963. Chris Christie, a 2016 and 2024 presidential contender from New Jersey, is her husband.

In this article, we would like to explore more facts on who her siblings are. Kindly continue reading to find out more.

Mary Pat Christie siblings: Who are her 9 brothers and sisters?

Mary Pat Christie is the ninth of ten children born to John and Mary Ellen Foster. Her siblings are:

  • John Foster Jr.
  • Brian Foster
  • James Foster
  • Maureen Foster
  • Kathleen Foster
  • Daniel Foster
  • Timothy Foster
  • Michael Foster
  • Christopher Foster

Mary Pat is the only one of her siblings who has entered politics. Her brother, Christopher Foster, is a lawyer and businessman. He is the CEO of the Foster Group, a real estate development company.

Mary Pat’s other siblings are all private citizens and live in the Philadelphia area. They are not active in politics or public life.

It is important to note that there is some confusion about Mary Pat’s siblings. Some sources list her as having 8 siblings, while others list her as having 10. The most reliable sources list her as having 10 siblings.