Sean Osullivan Obituary
We are sad to announce that on September 14, 2025, at the age of 88, Sean Osullivan (Markham, Ontario) 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, Alice OSullivan and Cornelius OSullivan; and his siblings, Brendan, Con, Maire and Maeve.
He is survived by: his wife Patricia Webb; his siblings, Fionnuala, Emer, Deirdre and Gerry (Margaret); and his sister-in-law Vivienne.
Visitation was held on Sunday, September 21st 2025 from 5:00 PM to 8:00 PM at the Chapel Ridge Funeral Home (8911 Woodbine Ave, Markham, ON L3R5G1). A funeral service was held on Monday, September 22nd 2025 at 11:00 AM at the St. Mark's Catholic Church (345 Glad Park Ave, Whitchurch-Stouffville, ON L4A1E5). A reception was held on Monday, September 22nd 2025 from 12:00 PM to 2:00 PM at the same location. A burial was held on Monday, September 22nd 2025 at the Stouffville Cemetery (12118 Tenth Line, Whitchurch-Stouffville, ON L4A6B8).
In lieu of flowers, donations may be made to Alzheimer Society of York Region, or the Margaret Bahen Hospice.
September 19, 2025
Colleen Reid lit a candle
September 19, 2025
Colleen Reid sent flowers