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Kathleen MacKinnon Obituary

Kathleen Knode MacKinnon passed away peacefully surrounded by her family at Georgetown University Hospital on January 2, 2026. Kacky was born on November 5, 1940 in Washington, DC and was the dear daughter of Catherine O'Neil and Thomas Knode.
Beloved wife of Keith MacKinnon; devoted mother of Keith MacKinnon Jr., Tracy D'Annunzio (husband, David), and Sandy MacKinnon; precious grandmother of Anna D'Annunzio, David D'Annunzio Jr., and Megan D'Annunzio; sister of Karen, Suzanne and the late Margeret. She is also survived by many nieces, nephews, cousins, friends, aunts and uncles.
Kathleen was unfailingly positive, strong, kind, loyal, fun-loving, patriotic, encouraging, optimistic, selfless, and joyful. The family will receive relatives and friends beginning at 11:30 a.m. on Tuesday, January 13, 2026 at Saint Patrick's Catholic Church, 4101 Norbeck Rd., Rockville, MD 20853. The funeral Mass will begin at 12:30 p.m. at Saint Patrick's.

To plant trees in memory, please visit the Sympathy Store.

Published by The Washington Post on Jan. 11, 2026.

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Memorial Events
for Kathleen MacKinnon

Jan

13

Funeral service

11:30 a.m. - 1:30 p.m.

St. Patrick’s Roman Catholic Church

4101 Norbeck Rd r, Rockville, MD 20853

Jan

13

Service

2:00 p.m. - 2:30 p.m.

Gate of Heaven Cemetery

13801 Georgia Ave, Silver Spring, MD 20906

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