Tom Ryder, an internationally renowned carriage driver, author and judge, died on March 3 in York, England. He was 91.

Mr. Ryder was introduced to horses at the age of 10 while visiting his uncle’s farm. He developed a devotion to the Hackney breed and loved driving.

John Martin Seabrook, a successful businessman, sportsman and reviver of coaching, died on Feb. 11. He was 91.

Born in Bridgeton, N.J., Mr. Seabrook grew up on Seabrook Farms, which would become one of the largest industrialized farms in the world. He graduated from Princeton University (N.J.) in 1939 and went on to become the president of Seabrook Farms in 1954.

Gabor Francia-Kiss, West Suffield, Conn., a two-time member of the Hungarian Olympic eventing team, died suddenly on Jan. 26. He was 74.

Mr. Francia-Kiss was born in Budapest, Hungary, where he lived until 1957. He fought in the Hungarian Revolution and escaped communist rule in Hungary through Austria, traveling to the United States through Camp Kilmer in New Jersey. He attended Colorado State University before settling in Chagrin Falls, Ohio.

Margot Graham Moncure, a noted horsewoman and successful junior rider, died on Feb. 15 at her home in Bedford, N.Y., after battling cancer. She was 62.

Mrs. Moncure was born in New York City, where she rode in the National Horse Show in Madison Square Garden 13 times, starting in the pony hunter division. She was a graduate of the Ethel Walker School (Conn.) and Bennett College (N.C.).

Laura Johansson, owner of Fenwick Grove Riding Academy, died Feb. 9 after a sudden illness. She was 47.

Mrs. Johansson was born in Montreal, Que., and moved to Woodstown, N.J., 18 years ago.

She was the owner of Fenwick Grove Riding Academy, where she pursued her lifelong passion of dressage riding, instruction and training. She was also active within the local 4-H community and handicapped riding programs.