Brother Xavier Castaldo, O.S.F., a member of the Franciscan Brothers of Brooklyn for 55 years, died Oct. 20.

Born Ralph Castaldo in Brooklyn, he entered the Order in 1962 from St. Francis Xavier parish, Park Slope, while attending St. Anthony’s H.S., Smithtown.

He taught at St. Brigid School in Bushwick, 1966-67. Between 1967 and 1973, he maintained facilities at Mount Alvernia, Centerport, L.I. During his time there, he also became a volunteer fireman with the Centerport Fire Department.

In 1973, he was transferred to St. Anthony’s H.S., Smithtown, where he served in the maintenance department until 1984. When the school relocated to its current campus in Huntington, L.I., he became director of food services, a post he held for 10 years.

Beginning in 1994, he worked in the General Office until he retired in 2015. During his time at St. Anthony’s, he also served as moderator of JV football and coach of boys bowling and for many years led First Aid and CPR classes for coaches.

He is survived by his sister, Catherine, and his brothers, Peter and John. Burial was at Holy Rood Cemetery, Westbury, L.I.