Rose Mary Sismour Obituary
The memory of Rose Mary Sismour (Sewickley, Pennsylvania), who passed away on April 16, 2026 at the age of 97, will forever remain in the hearts of those touched by this precious presence in their lives. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Frank Smith and Rose Smith (Hufnagel); her husband Jack Sismour; and her siblings, Raymond Smith and Bernadette Shannon.
She is survived by: her children, Kevin Sismour (Karen) and Renee Byard (Dave); and her grandchildren, Claire, Jack, Danielle, Kendall and Collin.
In lieu of flowers, the family asks that you honor Rosemary's memory by spending time with loved ones and cherishing the moments that matter most.
