Douglas "Mac" Plummer

Tell your own story about Douglas

Memories and condolences can be left on the obituary at the funeral home website.

How you can show support

Get email updates whenever changes are made.

Send flowers

Consider sending flowers.

Plant trees

Honor them by planting trees in their memory.

Share this page

Invite other friends and family to visit the page.

Watson-Thomas Funeral Home and Crematory - Galesburg

Posted events

February 12, 2026

Feb

Visitation

2:00 p.m. - 4:00 p.m.

Watson-Thomas Funeral Home

1849 North Seminary Street, Galesburg, IL 61401

Feb

Rosary

4:00 p.m. - 4:30 p.m.

Watson-Thomas Funeral Home

1849 North Seminary Street, Galesburg, IL 61401

Feb

Funeral service

10:00 a.m.

St. Patrick Catholic Church

858 South Academy Street, Galesburg, IL 61401

Watson-Thomas Funeral Home and Crematory - Galesburg

Posted an obituary

February 12, 2026

Douglas Plummer Obituary

Douglas MacArthur “Mac” Plummer, 83, of Galesburg, Illinois, died at 5:55 a.m. Wednesday, February 11, 2026 at OSF St. Mary Medical Center, Galesburg.Mac was born March 17, 1942 in Biggsville, Illinois, the son of Earl Mote and Martha Helmers... Read Douglas Plummer's Obituary