On July 14, 2026, Anne Clarkson O'Brien passed away at the age of 85 in Olney, MD. She was born in 1941 to Thomas L. O'Brien and Anne E. Clarkson in Washington DC.

In 1976, she married her second husband Herbert L. Drees ( https://www.colefuneral.com/obituary/Herbert-Drees ) and began a passionate career as a realtor.

Anne leaves behind her son David (Theresa) Hochhalter, her daughter Pam (Curt) Neidhart, her stepson Alex (Catherine) Drees, her grandchildren Beau, Brigid, Chris, Kevin and Connor, and step grandchildren Paul and Leila.

Interment for Anne and Herb will be at Rock Creek Cemetery on September 19th at 11:00 am.

In lieu of flowers, donations may be made in Anne's memory to The National Audubon Society - Honor the Memory of a Bird Lover in your Life - National Audubon Society