He married Elizabeth, a daughter of the late Caleb Coffin of New York City on 11 July 1895.
He became Liberal MP for Leicester at a by-election in 1906, however, sharing the representation of the double-member constituency with Ramsay MacDonald.
[1] In 1906, Thomasson ventured on a bold but disastrous experiment in newspaper production by founding the Tribune (1906–1908).
He played a large part in local political life before he left Bolton for London.
This article about a Liberal Member of the Parliament of the United Kingdom representing an English constituency is a stub.