Walker Rannie Davidson

Walker Rannie Davidson (1808 – 20 November 1876) was a Surveyor General of New South Wales, (then a colony, now a state of Australia)

Davidson was born in Perthshire, Scotland and arrived in Australia around 1829.

Davidson was Surveyor General of New South Wales 1862 to 1868, succeeding Alexander Grant McLean. Davidson was succeeded by Philip Francis Adams as Surveyor General.