Dennis Marvin Barnes

Dennis Marvin Barnes obituary, Farmington Hills, MI

Dennis Marvin Barnes

Dennis Barnes Obituary

Obituary published on Legacy.com by Heeney-Sundquist Funeral Home - Farmington on Jan. 3, 2026.
Dennis Marvin Barnes, age 84, of Farmington Hills, passed away on Thursday, January 1, 2026.

Dennis was born on September 8, 1941 in Dayton, Ohio, the son of Robert G. and Dorothy L. (Greer) Barnes. He graduated from Vandalia Butler High School and went on to get his Bachelor of Fine Arts Degree from the Dayton Art Institute and University of Dayton. He was employed as a Design Sculptor for General Motors Design Center until his retirement in 2008 after 43 years.

Dennis married his wife Nancy (Niemisto) in 1990. He is survived by blended family members including daughter Jenny (Dale), sons Michael, Mark (Linda), Gregory, grandchildren Cody (Lexie), Amanda (Michael), Logan, Courtney (Lyle), John (Alexandra), goddaughter Samantha (children Silas and Ari), great grandchildren Lillian and Sofia. Sister Sheree, Brother-in-Law, Richard (Karen), Aunt Mildred, niece Amy, nephews David (Eva), Benjamin, Jared, Dustin (Joy), Bryan (Alex), Colton, Wesley (Connor), cousins, and his beloved cats.

Dennis was preceded in death by his parents, Robert G. And Dorothy Barnes, brothers Robert G., Jr. (Marilyn), and Richard (Eugenia), uncles and aunts.

The Barnes family will receive guests on Monday, January 12, beginning at 10 am until the 1 pm funeral service at the funeral home. Those attending the service are asked to dress appropriately for the weather, for their comfort and safety.

Interment will immediately follow at Glen Eden Memorial Park in Livonia.

Memorial tributes are suggested to Huron Valley Humane Society, Friends of Michigan Animal Rescue, For the Love of Cats Rescue.

To plant trees in memory, please visit the Sympathy Store.

Sign Dennis Barnes's Guest Book

Not sure what to say?

February 23, 2026

Judith Parent Gandy posted to the memorial.

January 27, 2026

sue ann Prinz posted to the memorial.

January 3, 2026

Heeney-Sundquist Funeral Home - Farmington posted an obituary.

2 Entries

Judith Parent Gandy

February 23, 2026

So sorry to hear another of our cousins has passed on! Heaven is getting so many of our family members! So many wonderful memories as we grew up together in bygone days! Love to all !!!

sue ann Prinz

January 27, 2026

Dennis was a very nice person and will be missed by the class of 1960.

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Heeney-Sundquist Funeral Home - Farmington

23720 Farmington Road, Farmington, MI 48336

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Sign Dennis Barnes's Guest Book

Not sure what to say?

February 23, 2026

Judith Parent Gandy posted to the memorial.

January 27, 2026

sue ann Prinz posted to the memorial.

January 3, 2026

Heeney-Sundquist Funeral Home - Farmington posted an obituary.