Background
He was born in Slaidburn, West Riding of Yorkshire, England.
He was born in Slaidburn, West Riding of Yorkshire, England.
He was the younger brother of Robert B. Sanderson. He was elected treasurer of the Town of Springvale in 1859, and chairman of the Town of Leeds from 1864-1865. He was assigned to the standing committee on enrolled bills, which he chaired.
The Columbia County Assembly seats were redistricted in 1871.
Portions of his old district were assigned to the 2nd and 3rd districts. Sanderson was not a candidate for re-election.
The two seats were both filled by Republicans (Henry Charles Brace and Jacob Low, respectively).
As of 1871, when he first appeared in the Assembly, he was 43 years of age, and had been in Wisconsin for 19 years. He was at that time a resident of Leeds, and a member of the Republican Party.