He was a member of the Wisconsin State Assembly, representing the city of Green Bay and northwest Brown County during the 1897 and 1899 sessions.
Thomas J. McGrath was born in Victoria County, Canada West, in January 1859.
[1] He lived in Waupaca County, Wisconsin, for two years, then moved to Minnesota in 1877, where he remained until 1888, working as a laborer and carpenter.
In 1888 he moved to Green Bay, Wisconsin, where he operated as a general contractor for forty years.
[2] He was one of the primary construction contractors on the building of the Green Bay Masonic Temple, now referred to as the Northeast Wisconsin Masonic Center and was active in Freemasonry.