Jackson W. Underkoffler

Jackson W. Underkoffler, of Lancaster, PA, passed away at Lancaster General Hospital on his 92nd birthday, November 12, 2026. Jack shared 61 years of marriage with his wife Charlotte (Fuchs) Underkoffler before her passing in 2020.

Born in Harrisburg, he was the son of the late Henry M. and Mearl (Groff) Underkoffler.

Jack graduated from J.P. McCaskey High School in 1952. He served with Company D Second Division Armored Rifle Battalion 50th Infantry APO 66 in the US Army in Germany between the Korean and Vietnam Wars, obtaining the rank of PFC(T). During this time in Germany, he met and married Charlotte.

After returning to the states in 1959, Jack completed his bachelor’s between 1961-64 and earned his Master of Education from Millersville University between 1964-67 while teaching biology in North Lebanon. He then taught biology at Penn Manor from 1967-1999.

He was a member of St. Matthew Evangelical Lutheran Church. A 32-degree Mason, he was previously active in Lancaster Lodge #43 F. & A. M., Harrisburg Consistory, A.A.S.R., Royal Arch Chapter #43, Goodwin Council #9, and Lancaster Knights Templar Commandery No. 13.

Surviving Jackson is his son Wayne H. Underkoffler.

A viewing will take place 2-4 pm Wednesday, November 18, 2026, followed by Military Honors presented by Red Rose Veterans Honor Guard and Masonic services by Lancaster Lodge #43 F. & A. M. at 4 pm, at Charles F. Snyder Jr. Funeral Home & Crematory, 3110 Lititz Pike, Lititz, PA 17543. Graveside services will be 1 pm Thursday, November 19, 2026, at Oakhill Cemetery, 675 Market Street, Millersburg, PA 17601.

Memorial Contributions may be made to Pennsylvania Wounded Warriors, Inc., 1013 Mumma Road, Wormleysburg, PA 17043.
Pennsylvania Wounded Warriors, Inc.