Green’s Dictionary of Slang

T.H. Lowry n.

[rhy. sl.; ult. N.Z. farmer and racehorse breeder T.H. Lowry, owner of horse Desert Gold, famous in the 1910s]

(N.Z.) a Maori.

[NZ]McGill Reed Dict. of N.Z. Sl. 210: TH Lowry A Maori, rhyming slang from name of a Hawke’s Bay farmer and racehorse breeder.