Ryan T. Cadogan, 18, died at Massachusetts General Hospital, Boston, on April 23.
A senior at Marshfield High School, he was an active member of the Calvary Chapel Youth Group, Rockland, and a member of Marshfield High’s football team and Christian Club.
Son of the late Mark W. Cadogan, he is survived by his mother, Kathleen L. (Coggins) Cadogan, of Hanover; his brother, Patrick L. Cadogan, of Hanover; his grandparents, Marillyn Cadogan, of East Falmouth, Marylin Coggins, of Hull, and James Coggins, of Florida; his aunts and uncles, Phil and Mimi Cadogan, of Rockland, Jack and Julie Cadogan, of Iowa, Scott and Julie Cramer, of East Falmouth, Bob Moreau, of Weymouth, Michael and Kim Judge, of Hanover, Erin Coggins, of Hull, Andy and Karen Kelly, of Braintree, Steve and Fran Noone, of Brockton and Don and Brigetta Hall, of Germany; his cousins, Ariana, Sean and Ella Kerrigan, Lauren and Allison Moreau, Bud, Riley, Jared, Kelly, Ammon, Jacilyn, Shandra and Lucas Cadogan, John, Amanda, Katie and Lauren Judge, Jason and Valerie Kelly, Jeremy and Darlene Hall, Madison and Kylie Noone, and Lou Anna Kelly; and his best friend, Kileigh Bain.
He was the grandson of the late John J. Cadogan.
A memorial service was held April 28 in Calvary Chapel, Rockland. Burial was private.
Donations may be made to the Neurofibromatosis Clinic, Massachusetts General Hospital, Yawkey 9, 32 Fruit St., Boston, MA 02114.
Arrangements were by the Alfred D. Thomas Funeral Home.