Contributions to the tribute of John Patrick O'Neill

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John Patrick "Jack" O'Neill

1960 - 2026

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Anonymous

and 2 others have purchased flowers for the family of John O'Neill. Send Flowers

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Frank Viall planted 5 trees in memory of John O'Neill

Monday, June 8, 2026

5 trees were planted in memory of
John Patrick O'Neill

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Our thoughts and prayers are with you.

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John McDaniel posted a condolence

Tuesday, July 14, 2026

Jack indeed was well-respected at PJM -- both by his colleagues and by the third parties he helped. I got to know Jack through his work in the demand response arena at PJM. Jack always was willing to help and would make sure people didn't make careless mistakes. His voice was the voice of integrity -- if Jack said something, it always was clear, and the whole story. I benefitted by knowing Jack. My deepest sympathies to his colleagues, friends and family. - John McDaniel Baltimore, Maryland.

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The Leonard Family planted a tree in memory of John O'Neill

Saturday, June 27, 2026

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Our deepest sympathies . Love Robin, Warren, Chad & Olivia.

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John Horstmann posted a symbolic gesture

Saturday, June 13, 2026

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My condolences. I was shocked to hear of Jack's passing. I worked with Jack since his move to 23rd St. A really greay guy, he will be missed.

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James & Sheila Ramey planted a tree in memory of John O'Neill

Friday, June 12, 2026

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Our sincere condolences to the ONeill Family.

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Terry planted a tree in memory of John O'Neill

Wednesday, June 10, 2026

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Jack is in my heart forever.

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Anonymous purchased flowers

Tuesday, June 9, 2026

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Anonymous

purchased the Purple Designer's Choice for the family of John O'Neill. Send Flowers

Sending our love to Caroline and her family.

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Sharon Poor planted a tree in memory of John O'Neill

Monday, June 8, 2026

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Thinking of you all during this difficult time.

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Meridith, Sandy, Kristin , Steph, Natalia Dana and Kristen purchased flowers

Monday, June 8, 2026

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Meridith, Sandy, Kristin , Steph, Natalia Dana and Kristen

purchased the White Designer's Choice and planted a memorial tree for the family of John O'Neill. Send Flowers

Wishing Jack's loved ones comfort and peace during this sad time.

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Meridith, Sandy, Kristin , Steph, Natalia Dana and Kristen planted a tree in memory of John O'Neill

Monday, June 8, 2026

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Wishing Jack's loved ones comfort and peace during this sad time.

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Anonymous planted a tree in memory of John O'Neill

Monday, June 8, 2026

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Our thoughts are with you during this difficult time.

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Michael Golden posted a condolence

Sunday, June 7, 2026

So sorry for your loss my prayers go out to all of the O'Neil family especially Mark and Joe my his soul rest in peace

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Amy Corcoran (Sands) , Josh and Hannah Sands purchased flowers

Friday, June 5, 2026

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Amy Corcoran (Sands) , Josh and Hannah Sands

purchased the Designer's Choice Bouquet and planted a memorial tree for the family of John O'Neill. Send Flowers

So sorry for your sudden loss. I didnt know him well but I witnessed him be a great father and such a loving companion to Terry. He will be missed.

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Amy Corcoran (Sands) , Josh and Hannah Sands planted a tree in memory of John O'Neill

Friday, June 5, 2026

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So sorry for your sudden loss. I didnt know him well but I witnessed him be a great father and such a loving companion to Terry. He will be missed.

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The family of John Patrick O'Neill uploaded a photo

Friday, June 5, 2026

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The family of John Patrick O'Neill uploaded a photo

Friday, June 5, 2026

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