Search by Name
Search by Name
Legacy's online obit database has obituaries, death notices, and funeral services for 24 people named Diane Costello from thousands of the largest funeral homes and newspapers in the world. You can use our search tool to further specify which Diane you are looking for by name, surname, location, funeral home, publication, and more.
24 Obituaries
Sunday, February 8, 2026
Never miss Diane Costello obituaries
Be the first to know when new obituaries are posted.
By signing up, you agree to our Terms of Use and Privacy Policy.
Saturday, February 7, 2026
See all "Costello" obituaries
Monday, January 26, 2026
Saturday, November 8, 2025
Wednesday, July 2, 2025
Sunday, April 28, 2024
Friday, April 26, 2024
Wednesday, April 19, 2023
Sunday, July 11, 2021
Monday, July 27, 2020
Friday, July 10, 2020
Sunday, December 16, 2018
Sunday, October 30, 2016
Tuesday, September 13, 2016
Saturday, July 16, 2016
Tuesday, November 3, 2015
Monday, November 2, 2015
Sunday, November 1, 2015
Wednesday, December 3, 2014
Tuesday, May 24, 2011
