Sky Scene 07

Michael J. Flannigan

March 7, 1947 ~ June 30, 2020 (age 73)




Michael J. Flannigan passed away June 30, 2020, in Manhattan, Kansas

He was born March 7, 1947, in Wamego, Kansas, the son of Thomas W. Flannigan Sr. and Lois Dempsey Flannigan.  He grew up in the St. Marys community and attended schools there.  He was active in the local Boy Scout Troop attaining the Eagle rank.  He attended Kansas State University and received a degree in Nuclear Engineering in 1969.

Mike worked as an engineer for the Department of Defense at Mare Island Naval Shipyard, in California, where he worked on nuclear ships and submarines, and then for the Department of Energy at Argonne National Laboratory, in Illinois, where he oversaw the development of nuclear energy and safety.  He retired in 2002.

He was preceded in death by his parents and his brother Thomas W. (Marilyn) Flannigan Jr.   Survivors include two brothers:  William J. (Wilma) Flannigan, St. Marys, Ks. and Richard D. (Susan)Flannigan Dover, Ks. 

Mike was loved and admired by his niece and nephews:  Matthew J. (Michelle) Flannigan, Sao Paulo, Brazil, Thomas J. Flannigan, Burlington, Ks.,  Brady M. (Kim) Flannigan, Shawnee, Ks, James C. (Lauren) Flannigan, Oklahoma City, Ok.,  Dempsey J. Flannigan, Roeland Park, Ks., and Jennifer C. (Daniel) Fallin, Manhattan, Ks.  He relished his seven great-nieces and nephews. 

Mike was always interested in learning.  An avid reader and researcher, he was a wonderful conversationalist.  He enjoyed traveling, genealogy, and nurturing the children in our family.


To send flowers to the family or plant a tree in memory of Michael J. Flannigan, please visit our floral store.


Mass of Christian Burial
July 3, 2020

10:00 AM
Immaculate Conception Catholic Church (St. Marys)

Video is available for this event

Please note
***Please note that Live Streaming quality depends on the internet speeds at both the funeral service location and where you are watching the service. If video and sound appear to freeze, it is likely caused by a reduced speed of upload and download of data. This service is also being recorded and will be available for viewing within 24 hours of the service. The recording will be of higher quality.***
© 2020 Piper Funeral Home. All Rights Reserved. Funeral Home website by CFS & TA | Terms of Use | Privacy Policy