Sister Jean (Sister Jean Dolores Schmidt of Loyola Chicago) was born on August 21, 1919, and died on October 9, 2025, at the age of 106.

Quick Scoop

  • Sister Jean’s birthdate : August 21, 1919.
  • Sister Jean’s date of death : October 9, 2025.
  • So when people ask “how old was Sister Jean,” they are usually referring to her age at her passing: she was 106 years old.

A bit more context

  • She became a national figure during Loyola Chicago’s 2018 March Madness run, when she was 98 and serving as team chaplain.
  • She remained active and publicly celebrated major milestones at 100, 103, 105, and then 106, which added to the fascination with how old she was and how long she stayed involved with the team.

Information gathered from public forums or data available on the internet and portrayed here.