First given name from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree and added here in October 2005.

Second given name, occupation, from New Zealand Electoral Roll - Hastings Main Roll 1972, found in June 2020:
BALFOUR, Michael Thomas, 510 Grove Rd. Sheet Metalwrkr
BALFOUR, Hazel Kathleen, 510 Grove Rd. Married