Thomas John Aley

Thomas John Aley obituary, Forsyth, MO

Thomas John Aley

Thomas Aley Obituary

Obituary published on Legacy.com by Snapp-Bearden Forsyth Chapel on Oct. 23, 2025.

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Thomas John Aley, 87, of Protem, Missouri, died on October 20, 2025, following a two-year battle with pancreatic cancer. He is survived by his wife, Cathy; son, Dave; daughter, Anna; and five grandchildren. He was preceded in death by his parents, Herbert and Mary Aley, and his brother, James Aley.
Tom was a respected hydrogeologist, speleologist, and the founder and president of the Ozark Underground Laboratory. He held multiple state certifications as a Professional Geologist, as well as national certification as a Professional Hydrogeologist and a Certified Forester. He was a member of several professional organizations, including as a Fellow of the National Speleological Society. He received numerous awards for his contributions to speleology and the protection of environmental resources, many of them jointly with his wife Cathy.
Services will be announced at a later date. Arrangements were under the direction of Snapp-Bearden Forsyth Chapel, Forsyth, Missouri
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October 26, 2025

David Bowles posted to the memorial.

October 26, 2025

Katie D Lockhart posted to the memorial.

October 23, 2025

Snapp-Bearden Forsyth Chapel posted an obituary.

2 Entries

David Bowles

October 26, 2025

Farewell Tom. Your contributions to Ozarks hydrogeology are legendary. I will never forget that day I floated the Illinois River with you on a raft. What an education I received. You will not be forgotten. Your work and the cave will carry on. Respect.

Katie D Lockhart

October 26, 2025

Rest peacefully, Grandpa Tom. Love, Katie

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Snapp-Bearden Forsyth Chapel

16560 US-160 P.O. Box 425, Forsyth, MO 65653

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Sign Thomas Aley's Guest Book

Not sure what to say?

October 26, 2025

David Bowles posted to the memorial.

October 26, 2025

Katie D Lockhart posted to the memorial.

October 23, 2025

Snapp-Bearden Forsyth Chapel posted an obituary.