Cover photo for John "Jack" Tiernan's Obituary
John "Jack" Tiernan Profile Photo
1931 John "Jack" 2023

John "Jack" Tiernan

February 15, 1931 — September 29, 2023



Williamsburg-John “Jack” D. Tiernan was born February 15, 1931, on a farm 3 miles west of Parnell.  The son of Clarence and Mildred (Mason) Tiernan.  He graduated from Parnell High School in 1949.  Jack enlisted in the United States Army in July of 1949, serving 20 years.  Jack was united in marriage to Barbara Anne Morton on November 1, 1952, in Fayetteville, North Carolina.  After his discharge in 1969, he went to work in the Physical Plant at the University of Iowa retiring in 1989.  After his retirement he worked part time for Ron and Arlene Holden.  Jack was a member of St. Mary’s Catholic Church, Knights of Columbus, loyal member of the Iburg Poulson VFW Post #8797, Williamsburg School Board and a Boy Scout Leader. 


Jack passed away with his family by his side on Friday, September 29, 2023, at the Highland Ridge Care Center in Williamsburg at the age of 92 years.

He is survived by his wife of 70 years, Barbara; five children, John (Patti) Tiernan of Williamsburg, Robert (Regina) Tiernan of Marion, Michael (Susan) Tiernan of Marion, Susie (Dan) O’Rourke of Williamsburg and Meredith (Chris) Carter of Iowa City; 15 grandchildren; 21 great grandchildren; 5 great great grandchildren and a sister Mary Ann Donohoe of Parnell.  He was preceded in death by his parents, a brother Richard Tiernan and brother-in-law Donnie Donohoe.


Funeral Mass will be 10:00 am on Monday, October 2, 2023 at St. Mary’s Catholic Church in Williamsburg.  Visitation will follow the Funeral Mass at St. Mary’s Hall in Williamsburg.  Burial with military rites will be held at St. Joseph Cemetery in Parnell.   In lieu of flower memorials are for Iburg Poulson VFW Post #8797 or the Holden Comprehensive Cancer Center. Powell Funeral Home in Williamsburg is caring for Jack and his family. Messages and tributes may be directed to

To order memorial trees or send flowers to the family in memory of John "Jack" Tiernan, please visit our flower store.

Service Schedule

Past Services


Monday, October 2, 2023

10:00 - 11:00 am (Central time)

St. Mary Catholic Church - Williamsburg

102 E Penn St, Williamsburg, IA 52361

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.


Monday, October 2, 2023

11:00am - 12:00 pm (Central time)

Visitation will follow the Funeral Mass.

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.


Visits: 2788

This site is protected by reCAPTCHA and the
Google Privacy Policy and Terms of Service apply.

Service map data © OpenStreetMap contributors

Send Flowers

Send Flowers

Plant A Tree

Plant A Tree