- VIVIEN HEFFERNAN- Born September 1942 - 9 LOWER CLOISTER, BILLERICAY, ESSEX, CM11 2AJ 
- Marc HEFFERNAN- Born May 1976 - Station View House 41 Brunswick Road, Shoreham-By-Sea, West Sussex, England, BN43 5WA 
- MARK HEFFERNAN- Born April 1962 - 7 BEWICK CROFT, COVENTRY, UNITED KINGDOM, CV24QR 
- MARK HEFFERNAN- Born July 1961 - 7 FILLIANO COURT, LUTON, BEDFORDSHIRE, LU2 7PE 
- Lorcan HEFFERNAN- Born March 1969 - 48a New Road, Croxley Green, Rickmansworth, England, WD3 3EP 
- JOSEPH HEFFERNAN- Born November 1951 - ADDISON IND ESTATE ADDISON IND ESTATE, BLAYDON, TYNE & WEAR, ENGLAND, NE21 4TE 
- JESSICA HEFFERNAN- 71-75 SHELTON STREET COVENT GARDEN, LONDON, UNITED KINGDOM, WC2H 9JQ 
- ELIZABETH HEFFERNAN- Born June 1971 - 18 WHITE BRIDGE AVENUE, MITCHAM, SURREY, UNITED KINGDOM, CR4 3FW 
- ARTHUR HEFFERNAN- Born December 1960 - 3 SYCAMORE PLACE, MOTHERWELL, LANARKSHIRE, SCOTLAND, ML1 5TN 
- EOIN HEFFERNAN- Born January 1973 - THE FACTORY PADLOCK (C/O THE INTEGRATE AGENCY CIC), 120 LONDON ROAD, LONDON, ENGLAND, SE1 6LF 
- ANDREW HEFFERNAN- FLAT 2 31 MAYGROVE ROAD, LONDON, NW6 2EE 
- SANCHEZ HEFFERNAN- Born September 1991 - 7 RUFUS STREET, BRADFORD, WEST YORKSHIRE, ENGLAND, BD5 9HP 
- PETER HEFFERNAN- 39 NICHOL ROAD, NICHOL ROAD, EASTLEIGH, UNITED KINGDOM, SO53 5AX 
- MARY HEFFERNAN- Born February 1963 - 115C MILTON ROAD, CAMBRIDGE, UNITED KINGDOM, CB4 1XE 
- MICHAEL HEFFERNAN- Born February 1953 - 11 KETTLES WOOD DRIVE, WOODGATE BUSINESS PARK, BIRMINGHAM, WEST MIDLANDS, B32 3DB 
- GERARD HEFFERNAN- 8 HAREBELL AVENUE ALVERTHORPE, WAKEFIELD, WEST YORKSHIRE, ENGLAND, WF2 0AQ 
- George HEFFERNAN- Born July 1998 - Oyster Hill Forge Clay Lane, Headley, Epsom, Surrey, United Kingdom, KT18 6JX 
- JOHN HEFFERNAN- Born February 1970 - RUSSELL HOUSE OXFORD ROAD, BOURNEMOUTH, DORSET, BH8 8EX 
- GERARD HEFFERNAN- Born November 1965 - BLUE TOWER FAO QUAY ACCOUNTANTS, BLUE TOWER, MEDIA CITY UK, SALFORD, UNITED KINGDOM, M50 2ST 
- LAUREN HEFFERNAN- Born December 1978 - 3 MARSH COURT FARM ROMSEY ROAD, STOCKBRIDGE, ENGLAND, SO20 6DF