Cover photo for Mark G. Tiernan's Obituary
Mark G. Tiernan Profile Photo
In Memory Of
Mark G. Tiernan
1954 2025

Mark G. Tiernan

November 20, 1954 — July 29, 2025

Mark G. Tiernan, 70, of Cicero, NY, passed away Tuesday, July 29, 2025. He was born in Brooklyn, NY on November 20, 1954 to the late Gerard E. and Helen P. Tiernan.

 He loved fishing, collecting antiques and going to his condo in Florida and being on the beach. He retired from Verizon in 2012 with 34 years as a field tech.

 He is survived by his wife of 21 years, Cynthia Ostrander; son, David (Lauren Wilson) Tiernan; granddaughter, Madeleine Moon; step-children, Karen (Matt) Molina, Lisa Ostrander, Richard (Lisa) Ostrander; step-grandchildren, Mattea Molina, Jayden Baines, Draiden Manley and Josephine Ostrander; sisters, Patricia Tiernan and Rose Marie Mirchin; brother, Martin Tiernan and nieces and nephews.

 Predeceased by his brother, Christopher Tiernan.

 Calling hours will be held at New Comer Cremations & Funerals, 705 N. Main St., North Syracuse, NY 13212 on Wednesday, August 6, 2025 from 4-7pm. Funeral Services will be held at New Comer Cremations & Funerals, Thursday, August 7, 2025 at 10am. Burial will follow at Our Lady of Peace Cemetery, Baldwinsville, NY.

To view a livestream of the service at 10am Click Here

 To leave a message of condolence for Mark’s family, or to share a special memory of Mark, please sign the guestbook below.

To order memorial trees or send flowers to the family in memory of Mark G. Tiernan, please visit our flower store.

Service Schedule

Upcoming Services

Visitation

Wednesday, August 6, 2025

4:00 - 7:00 pm (Eastern time)

Add to Calendar

New Comer Cremations & Funerals

705 North Main Street, Syracuse, NY 13212

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

Funeral Service

Thursday, August 7, 2025

Starts at 10:00 am (Eastern time)

Add to Calendar

New Comer Cremations & Funerals

705 North Main Street, Syracuse, NY 13212

Livestream

Click to watch

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

Burial

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

Guestbook

Visits: 51

This site is protected by reCAPTCHA and the
Google Privacy Policy and Terms of Service apply.

Service map data © OpenStreetMap contributors

Send Flowers

Send Flowers

Plant A Tree

Plant A Tree