July 31, 1942 ~ December 11, 2020

Born in: California
Resided in: Rancho Palos Verdes, CA

Beloved wife, mother and grandmother, Mary Agnes O’Leary, passed away Friday, December 11, 2020, surrounded by her family.  Mary was born and raised in Southern California.  She is a Glendora High School graduate, attended Citrus College to study textile design and was a California Junior Miss and Miss Glendora Pageant Finalist.  She married Robert, her husband of 57 years, in 1963 at Holy Angels Church in Arcadia.  They settled in Arcadia and then Palos Verdes to raise their two daughters Kathy and Kellie.  Mary was active in school and philanthropy activities that her daughters were involved in.  Mary was a Patroness of the Palos Verdes Assembly, a volunteer with Las Madrecitas and the Social Service Auxiliary, member of Palos Verdes Golf Club where both daughters celebrated their wedding receptions, and a longtime parishioner of St. John Fisher Catholic Church.  Mary loved attending school events for her grandchildren and was proud to support them at Santa Catalina School in Monterey, Santa Clara University, Palos Verdes High School and Silver Spur Elementary.

Mary is survived by her husband, Robert, daughter, Kathy Gibbs and son-in-law Matthew Gibbs II of Monterey, CA, daughter Kellie Stender and son-in-law Todd Stender of Palos Verdes Estates, CA, sister Eve Ann Petranek and sister Lorie Kay and brother-in-law Bill Kay.  Mary was a devoted grandmother to four grandchildren, Kiley Gibbs, Matthew Gibbs III, Danny Stender and Kara Stender.  Plus, a loving aunt to three nephews , one niece, four great-nephews and one great-niece.  Faith and family meant the most in her life and Mary cherished every moment with her loved ones.

A private family service for Mary was held on Saturday, December 19, 2020 at St. John Fisher Catholic Church in Rancho Palos Verdes.  Mary will be laid to rest alongside her father, mother and relatives at Holy Cross Catholic Cemetery in Culver City.  In lieu of flowers, memorial donations can be made to the American Parkinson Disease Association or St. Jude Children’s Research Hospital.


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  1. candle 1Kelly and family,
    We are so very sorry for your loss. Our heartfelt thoughts and prayers go out to you all during the trying time.
    Lots of love,
    Mary and Darren Gaffney and family

  2. candle 3My thoughts and prayers are with you all. The tribute was just beautiful. May your mothers memory be a blessing to you always.

  3. Dearest Kellie and family,
    We are so sorry for the loss of your beautiful mom. We are thinking of you and sending our love and prayers.
    Love, The Gardner family

  4. candle 1Such a beautiful tribute to you mother, Kathy & Kellie. Her light will shine brightly in our hearts forever.

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