When he retired in 1992, he held the record for hosting the same network series for the longest time: 29 years, 7 months, 21 days. Johnny Carson Biography, Age, Height, Wife, Net Worth, Family 14. Happiness is your dentist telling you it won't hurt and then having him catch his hand in the drill. Rivers said she, too, owes her start -- and her later introduction to the man who became her husband -- to Carson. "He was the best -- a star and a gentleman.". Johnny Carson Net Worth. Plied his magic tricks in early performing days of the 1950s in places like the Seven Seas Lounge in Omaha, NE. The quality isn . Johnny Carson's age was 79 years old at the time of his death. Some thought it would hasten the hosts departure, but he returned with a touching tribute instead.