Gertrude E. Koop

Gertrude E. Koop of Mattituck died March 16 at Riverhead Care Center. She was 87.

Visiting hours will take place Tuesday, March 20, from 10 a.m. to noon at DeFriest-Grattan Funeral Home in Mattituck. A funeral will be held the same day at 2 p.m. at Mattituck Presbyterian Church, the Rev. George Gaffga officiating. Interment will take place Wednesday, March 21, at 11 a.m. at Kensico Cemetery in Valhalla, N.Y.

A complete obituary will appear online March 20 and in the Thursday, March 22, edition of The Suffolk Times.