Add a Memory
Make a Donation
John DeCosta Obituary
Publish in a newspaper
John was a passionate man who spent his time working on vehicles, riding his bike, fishing, making art, and spending time with his friends and family. When tackling projects that sparked his curiosity, he became unstoppable. John's quick-witted charm will be deeply missed by all who knew him.
He is survived by his mother, Laila (Tehranian) DeSimone and her husband James; five siblings, Lauren (DeCosta) Lambert and her husband Michael, Christine (DeCosta) Boyer and her husband Cody, Michael DeCosta and his wife Alexandria, Stephen DeCosta, and David DeCosta; four nieces and a nephew.
Visiting hours will be held on Saturday, June 28th from 11:00 AM to 2:00 PM at Sullivan Funeral Home, 2 Maquan St, Hanson. A celebration of life will take place from 3:00 PM to 7:00 PM at Cask 'n Flagon, 804 Main St, Marshfield.
In lieu of flowers, the family requests donations be made to Team Sharing Inc.
1 Entry
Kamila Tehranian
June 25, 2025
We will always keep our dear nephew John in our hearts. Smart, gentle, funny and kind young man who left us way too soon. We pray for his soul to be in comfort and peace. KamilkaT and Joey Ali with special love to John´s mother Laila and his brothers and sisters. Peace to you all.
How you can show support
Showing 1 - 1 of 1 results
2 Maquan Street, Hanson, MA 02341
Make a Donation
in John DeCosta's name
How to support John's loved ones
Honor a beloved veteran with a special tribute of ‘Taps’ at the National WWI Memorial in Washington, D.C.
The nightly ceremony in Washington, D.C. will be dedicated in honor of your loved one on the day of your choosing.
Read more
Should I Send Sympathy Flowers?
What kind of arrangement is appropriate, where should you send it, and when should you send an alternative?
Read more
What Should I Write in a Sympathy Card?
We'll help you find the right words to comfort your family member or loved one during this difficult time.
Read moreResources to help you cope with loss
Estate Settlement Guide
If you’re in charge of handling the affairs for a recently deceased loved one, this guide offers a helpful checklist.
Read more
Obituaries, grief & privacy: Legacy’s news editor on NPR podcast
Legacy's Linnea Crowther discusses how families talk about causes of death in the obituaries they write.
Read more
The Five Stages of Grief
They're not a map to follow, but simply a description of what people commonly feel.
Read moreWays to honor John DeCosta's life and legacy
Obituary Examples
You may find these well-written obituary examples helpful as you write about your own family.
Read more
Obituary Templates – Customizable Examples and Samples
These free blank templates make writing an obituary faster and easier.
Read more
How Do I Write a Eulogy?
Some basic help and starters when you have to write a tribute to someone you love.
Read more