John J. Williams was born on 17 May 1904 in Frankford, Delaware, USA. He was married to Elsie Steele. He died on 11 January 1988 in Lewes, Delaware, USA.
Republican US senator from Delaware, 3 January 1947 - 31 December 1970. Was not a candidate for reelection in 1970 and resigned from the Senate at the end of the year.