Jack was born in Manchester on 12 August 1941. He went to Nansen St Junior School and then to Ardwick Secondary Technical School. He passed the Town Hall exams and went to work as Junior in the Education Department at the age of 15.
He went on holiday to Butlins at Filey at age of 16 with a group of friends and roped into the National Talent Contest where he sang "Ma she's making eyes at me". He was ad-libeling so much with the pianist that he won The Comedian Section and was awarded £10 and a free weeks holiday.
From age of 16 Jack started doing gigs at pubs and clubs. By the early sixties he was well known on all club circuits up and down the country. He was warm up comic for most of the "Comedian Shows" on TV. He then opened as star of his own Revue in Blackpool at the Norbreck Hydro Hotel. It was huge success and it run for two years.
Through the seventies Jack opened a few clubs but was best suited to concentrating on his stage work. He started his own talent show "Jack Diamonds Discouries" which run for 25 years in Blackpool. He later worked in Cleveleys, also on the Fylde coast. He made several TV appearances and also did a TV series "The Diana Dors Show". He was managed by Bryan Yorke Enterprises. Jack was rated one of the finest ad-libbers in country. Through his career he appeared with such names as Les Dawson, Eartha Kitt, Roy Orbison, The Walker Brothers, The Beatles and many more