Daniel James Tierney, 72, of Titusville, Florida, passed away peacefully on October 22, 2023 surrounded by his loving family.  He was born in Pittsburgh, Pennsylvania on March 26, 1951 to his loving parents Lois and Jack Tierney.

Danny is the beloved brother of Terence Tierney, of Pittsburgh, PA; Marianne (Mark) Valerio, of Prosperity, PA; Margaret (Brian) Darrah, ,of Valencia, PA. and Kathleen (Joseph) Tuite, of Bradenton, FL. He is the loving uncle of 5 nephews and a niece and  endeared by many other family and friends.

Daniel is predeceased in death by his parents, Lois and Jack Tierney and his brothers, J.J. (Linda) and Steven Tierney.

Dan was a Corvette aficionado.  He was also a kind and gentle man to all who knew him.

Dan recently retired as Chief Engineer from Kennedy Propellants and Life Support Systems at Kennedy Space Center.  He was a dynamic scientist whose life passion was the shuttle program for over 30 years.  His colleagues described him as a brilliant engineer, mentor and kind soul.  Previously, he worked at Florida Power in St. Petersburg and Crystal River and Penn Elec in Johnstown, PA.  Dan was a University of Pittsburgh graduate, a steel worker, an oil painter and the precious friend of many.

A Celebration of Life  will be held on Saturday, October 28, 2023, at Baldwin Brother's Funeral and Cremation Society in Titusville (2400 S. Washington Avenue, Titusville, Florida 32780) from 12:00 pm until 2:00 pm.  All are welcome.

In lieu of flowers, Dan would like donations to go to the American Cancer Society  (https://www.cancer.org/).  A memorial will be planned in November in Pittsburgh, Pennsylvania.

Daniel James Tierney will be greatly missed.