In 1911 when Myrtle was 11, Arthur was:
Source   1911 Electoral Roll
Electorate   Auckland West
Record Number   5076
Surname   MCKEON
Given Names   Arthur
Place of Residence   22 Brown Street
Occupation   labourer
Nature of Qualification   
Also at this address were:
James, James Jun,Mary and Mary ann (Married)
Added:
in 1905, they are all there at Brown Street, plus a Henry McKeon