- JACK STEWART-CLARK- Born September 1929 - NORTH LODGE DUNDAS ESTATE, SOUTH QUEENSFERRY, EDINBURGH, EH30 9SP 
- Jack Stephen CLARK- Born May 1998 - 85 Great Portland Street, London, London, England, W1W 7LT 
- JACK EDWARD CLARK- Born February 1932 - 12 WESTSIDE, FORTIS GREEN, LONDON, N2 9ES 
- CALLUM JACK CLARK- Born March 1995 - 7 WILLIAMS COURT, SMITHICK HILL 7 WILLIAMS COURT,, FALMOUTH, CORNWALL, UNITED KINGDOM, TR11 3FD 
- Nigel Jack CLARK- Born May 1963 - Hill Farm Campions Hill, Nayland, Colchester, England, CO6 4NL 
- JACK MICHAEL CLARK- HUNTERS HALL DURHAM ROAD, LANCHESTER, DURHAM, UNITED KINGDOM, DH7 0TQ 
- JACK ALEXANDER CLARK- 39 SURRENDEN CRESCENT, BRIGHTON, EAST SUSSEX, BN1 6WE 
- JACK HARVIE CLARK- 13 STRATFORD GROVE, NEWCASTLE UPON TYNE, TYNE & WEAR, NE6 5AT 
- JACK PETER CLARK- Born September 1988 - 21 FINMERE GARDENS, WESTON-SUPER-MARE, ENGLAND, BS22 7SR 
- NEVILLE JACK CLARK- Born October 1933 - 109 AVONDALE ROAD, SHIPLEY, WEST YORKSHIRE, BD18 4QZ 
- JACK COLEY CLARK- Born July 1945 - 2828 HOOD STREET, APT. 1208, DALLAS, TX 75219, USA 
- JEREMY JACK CLARK- Born July 1943 - 9 RIXON CRESCENT, MELTON, WOODBRIDGE, IP12 1TQ 
- WILLIAM JACK CLARK- Born May 1941 - 8 ARMSTRONG ROAD, MANOR TRADING ESTATE, BENFLEET, ESSEX, SS7 4PW 
- Gary Jack CLARKE- Born January 1962 - 101 New Cavendish Street, 1st Floor South, London, England, W1W 6XH 
- Gary Jack CLARKE- Born January 1962 - 101 New Cavendish Street, 1st Floor South, London, United Kingdom, W1W 6XH 
- ALEX JACK CLARKE- Born May 1986 - APPLEDOWNE SWAN LANE, EDENBRIDGE, KENT, ENGLAND, TN8 6BA 
- JACK ALAN CLARKE- Born August 1989 - 99 WEIR GARDENS, RAYLEIGH, ESSEX, UNITED KINGDOM, SS6 7TE 
- ALEX JACK CLARKE- 88-90 HATTON GARDEN, HOLBORN, LONDON, ENGLAND, EC1N 8PG 
- ERIK JACK CLARKE- Born August 1946 - UNIT 3 18 HANFORD WAY, LOUGHBOROUGH, LEICESTERSHIRE, UNITED KINGDOM, LE11 1LS 
- Gary Jack CLARKE- Born January 1962 - 101 New Cavendish Street, 1st Floor South, London, United Kingdom, W1W 6XH