Here's the top-20 1972 song Sealed with a Kiss:
In 1971 he was in the John Wayne western Big Jake with Richard Boone, Maureen O'Hara, Bruce Cabot, John Agar, and Harry Carey Jr.:
In 1973 he was in another John Wayne western, The Train Robbers, with Ann-Margret, Rod Taylor, Ben Johnson, and Ricardo Montalban. Here's the original trailer:
Wikipedia says Vinton and his wife were married in 1962, have five children, and live in Florida. He retired from live performing and recording in 2015. May his birthday be happy!