Jo Ann Costello Devaney Obituary
We announce the death of Jo Ann Costello Devaney (Kensington, Maryland), who passed away on August 2, 2026, at the age of 86. Jo Ann will be remembered by family members, friends, and others whose lives were connected in meaningful ways. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was loved and cherished by many people including: her parents, Francis Costello and Reuben Costello; her husband Bob Devaney; her children, Jim Devaney (Kristi), Chris Devaney (Cheryl) and Lisa Devaney O'Neil (Patrick); her grandchildren, Katie, Collin (Shelby), Callie, Preston (Minal), Garrett, Devan and Justin; and her great grandchildren, Ward, Davy and Liam.
In lieu of flowers, donations may be made to Christ House in Washington, D.C., Christ House, Attn: Development2300 18th St. NW PO Box 21467 Washington, DC 20009 https://christhouse.org or to the Joe Reyda Scholarship Fund at Gonzaga High School in Washington, D.C. http://www.gonzaga.org.
