John McCarthy, a stonemason who worked for 25 years with the University’s department of buildings and grounds, died on Jan. 18 in his hometown of Drimoleague, in County Cork, Ireland. McCarthy immigrated to the United States in 1949 and became a citizen. He came to work at Harvard in 1952, retired in 1977, and returned to his family’s home in Ireland. He is survived by many family and friends in Boston and Ireland.