Share

Sean O. Dennis Sr. Obituary

We are sad to announce that on July 9, 2025, Sean O. Dennis Sr. of New Castle, Delaware passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Daniel J. Dennis and Mary Dennis (McLane) of New Castle. He is survived by: his children, Michelle Dierolf (Joe), Ashley Schorah (Jon), Sean Dennis Jr. (Jenn) and Danny Dennis (Kassie); his grandchildren, Adriana, Natalie, Nathan, Miranda, Hailey, McKenna, Hayden, Nolan, Charlotte, Cameron and Tyler; and his siblings, Eugene Dennis (Roseanna), Robert Dennis (Rhea), Sally Buck (Chuck) and Marybeth Quezon (Jerry). He is also survived by many nieces, nephews, cousins, and other extended family.

Visitation will be held on Monday, July 21st 2025 at 10:30 AM at the Calendar Catalyst Community Church (410 Denver Rd, Wilmington, DE 19804). A funeral service will be held on Monday, July 21st 2025 at 12:00 PM at the Catalyst Community Church (410 Denver Rd, Wilmington, DE 19804).

In lieu of flowers contributions can be made to assist with the funeral expenses at this link: https://pay.getbeyond.com.

Funeral arrangement under the care of
Nichols-Gilmore Funeral Home & Cremation Service



Mon

July 21

Visitation

10:30 AM

Calendar Catalyst Community Church
410 Denver Rd, Wilmington, DE 19804

Mon

July 21

Funeral service

12:00 PM

Catalyst Community Church
410 Denver Rd, Wilmington, DE 19804

Sympathy messages

Would you like to offer Sean O. Dennis Sr.’s loved ones a condolence message? Write your message of sympathy today.

500 CHARACTERS

Add a photo or a video

There is no photo or video of Sean O. Dennis Sr..
Be the first to share a memory to pay tribute.

Add a photo

Family member

Solidarity program

Echovita offers a unique service that allows funds generated by the obituary notice to be shared with families that request it.

Make a request

Authorize the original obituary

  • Lets us publish the full obituary text along with the original picture.
  • Helps people recognize Sean O. Dennis Sr. and express their condolences more easily.
Authorize the original

Add an extra help