Mr. and Mrs. John Weaver of Machias celebrated their 50th wedding anniversary with a renewal of marriage vows along with 250 couples in Sarasota, Fla., followed by a party for friends. A cruise is planned to the Bahamas with their children and grandchildren. Mr. Weaver and Marga Braun were married March 23, 1963, in Machias Methodist Church. He is a retired material supervisor for CSX Railroad; she is a former assistant manager for Cohen Fashion Optical in Syracuse. They have three children and eight grandchildren.