Research online in August 2025, shows daughter of James and Audrey (nee Jones) Berry and still living. And, was married to this, “Kevin Seaton” who lived 5 June 1950 to 23 November 2023.

New Zealand Electoral Roll - Mt Albert Main Roll 1978, found in August 2025:
Seaton, Helen Patricia, 3/825 New North Road, Housewife. R
Seaton, Helen Patricia, 37 Alberta Street, Housewife. G
Seaton, Kevin Gilbert, 3/825 New North Road, Driver. R
Seaton, Kevin Gilbert, 37 Alberta Street, Driver. G

New Zealand Electoral Roll - Mt Albert Composite Roll 1981, found in August 2025:
Seaton, Helen Patricia, 37 Alberta Street, Housewife. G
Seaton, Kevin Gilbert, 37 Alberta Street, Hospital Aid. G

Kevin does not appear to be living with Helen in 1987. Kevin was on Onehunga Main Roll living at 202 Green Lane West. Helen was on the Mt Albert Main Roll still at 37 Alberta Street.

Looks like has remarried as per New Zealand Electoral Roll - Mt Roskill Main Roll 2007, found in August 2025:
Seaton, Kevin, 3/2 Quentin Avenue, Regstd Nurse
Seaton, Shirley, 3/2 Quentin Avenue, Regstd Nurse

New Zealand Electoral Roll - Maungakiekie Main Roll 2010, found in August 2025:
Seaton, Kevin, 3/2 Quentin Avenue, Regstd Nurse
Seaton, Shirley, 3/2 Quentin Avenue, Regstd Nurse