[1] Carlaw worked as a waterworks engineer, spending forty six years with the Auckland City Council.
[2] Carlaw served as the President of the New Zealand Rugby League between 1914 and 1919.
[3] While in this position he started the negotiations that resulted in the league's acquisition of a Chinese market garden that was transformed into Carlaw Park.
[4] The opening, on 21 June 1921, was the result of three years of negotiations between the committee led by Carlaw and the Auckland Hospital Board who owned the land.
[6] In 1928 he was elected Auckland Rugby League President and served in this role until 1935.