John Hart

John Hart obituary, Rensselaer, NY

John Hart

John Hart Obituary

Obituary published on Legacy.com by Wm. J. Rockefeller Funeral Home, Inc. - Rensselaer on Dec. 18, 2025.
John D. Hart 49 of East Greenbush died suddenly on Tuesday, December 16, 2025 in his home. John was born in Albany. His passion was for technology and computers, and spent most of his days with his dog Blaze who he rescued.
John is survived by his 1 daughter Alexis Hart; his father William D. Hart Sr. and mother Victoria L. (Haley) Hart; a sister Ashley Hart and brother William Hart Jr. He is also survived by grandparents Donald and Joan Hart; Uncle, Brian (Pam) Hart; Eric (Kelly) Hart; Steven (Beth)Hart; Suzanne Mangold, Dianne Hart, Kristen Hart. Tracy (Richard Stone) Dodge, Kelly Vermette, Josiah Haley. Also survived by four nieces Emma Hart, Olivia, Addison and Mia and a nephew Landyn, As well as many, many cousins. He is also predeceased by Grandparents Sandra and David Haley, Uncle Davie Haley, and sister Nikki Hart.
The family has requested that those who wish to make memorial contributions in his name be sent to the Mohawk Hudson Humane Society.
To send flowers to the family or plant a tree in memory of John Hart, please visit our floral store.

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

Sign John Hart's Guest Book

Not sure what to say?

January 18, 2026

Cindy Obrien posted to the memorial.

December 29, 2025

Dawn (Defoe) Gillan posted to the memorial.

December 29, 2025

Dawn (Defoe) Gillan posted to the memorial.

4 Entries

Cindy Obrien

January 18, 2026

God Bless Jonh, it was a pleasure to know you , you will be remembered and missed

Dawn (Defoe) Gillan

December 29, 2025

Vicky and family,
My sincere condolences and prayers for John in heaven, amen. God bless you all!
dawn #15

Dawn (Defoe) Gillan

December 29, 2025

Robin Emanatian

December 23, 2025

Dear Hart family,

Our deepest sorrows and condolences to your family for your loss.

Michael and Robin Emanatian

Showing 1 - 4 of 4 results

Wm. J. Rockefeller Funeral Home, Inc. - Rensselaer

165 Columbia Turnpike, Rensselaer, NY 12144

Make a Donation
in John Hart's name

How to support John's loved ones
Attending a Funeral: What to Know

You have funeral questions, we have answers.

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 more
Poems of Mourning and Comfort

The best poems for funerals, memorial services, and cards.

Read more
Resources to help you cope with loss
How to Cope With Grief

Information and advice to help you cope with the death of someone important to you.

Read more
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
How to Write an Obituary

Need help writing an obituary? Here's a step-by-step guide...

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
Ways to honor John Hart's life and legacy
Obituary Examples

You may find these well-written obituary examples helpful as you write about your own family.

Read more
How to Write an Obituary

Need help writing an obituary? Here's a step-by-step guide...

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

Sign John Hart's Guest Book

Not sure what to say?

January 18, 2026

Cindy Obrien posted to the memorial.

December 29, 2025

Dawn (Defoe) Gillan posted to the memorial.

December 29, 2025

Dawn (Defoe) Gillan posted to the memorial.