Kathleen E. Gosman of Montauk died on Dec. 29 at the Fairview Avenue house she shared with her husband of 60 years, Emmett Gosman. Mrs. Gosman had been diagnosed with cancer eight months ago. She was 79.

Jack S. Kelleher, who worked with the East Hampton branch of Saunders and Associates for 12 years, until 2017, died in Santa Fe, N.M., on Dec. 11. He was 66 and had contracted Covid-19 three weeks earlier.

James Gleason Conzelman III, who spent summers in East Hampton with his wife and their three children, died at his house in Fairfield, Conn., on Dec. 25 of bile duct cancer. He was 58 and had been ill for six months.

Marillyn Buelow Wilson, a prominent conservationist and philanthropist whose involvement with the Nature Conservancy and the Peconic Land Trust spanned five decades, died at Peconic Landing in Greenport on New Year's Day. She was 96 and had been in declining health for several years.