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Katherine O'Callaghan

Katherine Mary O'Callaghan

Wednesday, January 1st, 1930 - Friday, November 15th, 2019
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Katherine M. O’Callaghan

(née Macken)

Kay was born January 1, 1930 in New York City and died November 15, 2019 in Tucson, her home since 1963. She was predeceased by her husband, Vince-the love of her life-whom she met in 5th grade. Her proudest accomplishment is her family. Kay is survived by her five children, Liz (Bob Leko), Mike (Jeni), Noreen (Andreas Wiedenfeld), Katherine (J. Scott Watters), and Tish; her seven grandchildren whom she loved and who loved her: Colin Jenott, Maggie Speer (Chris Speer), Bonnie Leko-Shapiro (Allen Shapiro), Eamonn O’Callaghan, Elsa O’Callaghan, Sean Leko (Dakota), and Zeke O’Callaghan (Dani) as well as seven great-grandchildren: Hudson, Finley, and Grant (expected in December) Speer, Isabelle and Declan Shapiro, Gwendolyn Leko, and Clive O’Callaghan. She also is survived by her siblings, Robert Macken and Virginia Fitzsimons. “Mrs. O,” a member of the Phi Beta Kappa Society, was a math teacher in Tucson for 30+ years and is remembered by countless students as their “best teacher ever.” Memorial service will be Thursday, November 21 at 3pm at Adair Funeral Home Avalon Chapel, 8090 N. Northern Avenue, Tucson, AZ. In lieu of flowers, the family suggests donations to University of Arizona Department of Religious Studies and Classics, The Robert A Burns Fund at
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Service Details

  • Service

    Thursday, November 21st, 2019 | 3:00pm
    Thursday, November 21st, 2019 3:00pm
    Adair Funeral Home Avalon Chapel
    8090 N. Northern Ave.
    TUCSON, AZ 85704
    Get Directions: View Map | Text | Email
    Obituary to be placed at later date.


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Posted at 07:27am
To the family, my heartfelt condolences for your loss. Please find comfort in the knowledge that soon God will wipe out every tear from our eyes, and “death will be no more, neither will mourning nor outcry nor pain be anymore. The former things (will) have passed away.”(Rev. 21:3,4) May this promise give you comfort now and a real hope for the future. My deepest sympathies.

Judy Cannavo

Posted at 10:10pm
Dear Kathy, please accept my sincere condolences on the passing of your mom. May the loving memories you have of her help you through this difficult time. Sincerely, Mary Dorgan

David DeValk

Posted at 02:34pm
Our thoughts and prayers are with the entire O'Callaghan family at this difficult. time. May the lord grant your mother eternal rest and provide you the peace and acceptance in the understanding of her undying love for her family.

Kathy and Dave DeValk

Salpointe Catholic High School

Posted at 12:43pm
The Salpointe Catholic High School community extends deepest sympathy to the O'Callaghan family. You are in our prayers at this difficult time.

Karen L. Peitsmeyer

Posted at 06:39pm
With heartfelt condolences, I would like to remember Kay by having a tree planted in her name. This will be a reminder for her family and friends.
Tree Image
A memorial tree was planted in the memory of Katherine O'Callaghan

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(520) 326-4343 Dodge Chapel: 1050 N. Dodge Blvd. | Tucson, AZ 85716 | Phone: (520) 326-4343
Carroon Mortuary: 1191 N. Grand Ave. | Nogales, AZ 85621 | Phone: (520) 281-2424
Avalon Chapel: 8090 N. Northern Ave. | Oro Valley, AZ 85704 | Phone: (520) 742-7901