Margaret Mary O'Leary Obituary
The memory of Margaret Mary O'Leary (Petaluma, California), who passed away on January 20, 2026 at the age of 91, will forever remain in the hearts of those touched by this precious presence in their lives. Leave a sympathy message to the family on the memorial page of Margaret Mary O'Leary to pay them a last tribute.
She was predeceased by: her siblings, Thomas and Noreen Kozak. She is survived by: her sisters, Ellen Claire and Mary Anne (late Arthur); her siblings-in-law, Ken Kozak and Eileen O'Leary; her nieces and nephews, Patrick O'Leary (Beth), Andrew Kozak (Kristin), William Kozak, Kathleen Buscemi (Paul) and Megen Ory; and her great-nieces and great-nephews, Kayla, Ryan Kozak, Jamison, Brooks Buscemi, Andrew and Katie O'Leary.
In lieu of flowers donations may be made to the Franciscan Sisters of the Poor Foundation 505 Eighth Avenue Suite 900 New York NY 10018, St. James Catholic Church or a charity of your choice.
