Mr. and Mrs. Jeffrey Tarrant of Sunset Bay and Redington, Fla., celebrated their 50th wedding anniversary with a dinner party for family and friends hosted by their children at Colony Restaurant, Irving. Mr. Tarrant and Janet Mandell were married April 28, 1962, in Grace United Church of Christ, Buffalo. He is a retired foreman for Falgiano Company, Buffalo; she is a retired office worker. They have three sons and seven grandchildren.