On February 19, 2026, Katharine Washburne (nee Marshall), extraordinarily loving wife of the late Thomas D. Washburne; devoted mother of Thomas D. Washburne, Jr., Richard J. Washburne, Frances W. Washburne, and Mary D. Washburne; loving grandmother of six and great grandmother of two.

The Washburne family will receive friends at home, 112 Greenspring Valley Road, on Tuesday, March 3rd, from 4 to 7 PM.  A Funeral Service will be held at St. Thomas' Episcopal Church,  232 St Thomas Ln, Owings Mills, MD 21117, on Wednesday, March 4th, at 10 AM.  Interment Church Cemetery.

In lieu of flowers, memorial contributions may be made in her name to Irvine Nature Center at www.explorenature.org/donate/ or The Garden Club of American at www.gcamerica.org/contribute .