1961: Joined the Irish Christian Brothers
1963-1965: Edmond Rice Hall, New Rochelle, NY
1965-1969: Damien Memorial High School, Honolulu, HI
1969-1972: Br. Rice High School, Birmingham, MI
1972-1978: Br. Rice High School, Chicago, IL
1978-1982: St. Patrick’s High School Principal, Vallejo, CA
1982-1999: St. Laurence High School, Burbank, IL
1999: Died
Notes: Br. Thomas Duffin spent four years working as Principal at St. Patrick’s High School in Vallejo from approximately 1978 to 1982. In 2012, the Irish Christian Brothers filed for bankruptcy. Multiple survivors filed claims in the bankruptcy alleging sexual abuse by Br. Thomas Duffin when they were students at Brother Rice High School in Chicago. In 2013, three sexual abuse survivors filed lawsuits alleging sexual abuse by Br. Duffin when he was assigned to Damien Memorial High School in the late 1960s.