William Kosciusko Zewadski

William Kosciusko Zewadski (July 3, 1860 – April 27, 1929) was a state legislator in Florida from 1896 to 1902. His son and grandson were given the same name.

His father was a nobleman of Poland who sought refuge in the U.S. after the area he lived in was taken over by the Kingdom of Prussia. William was born in Jacksonville and later lived in Ocala. He married Amanda Harriet Barco and had four sons, three of whom became attorneys. He moved to Tampa, Florida in 1888 and worked in legal and civil affairs as an attorney. He was survived by four sons William Kosciusko Zewadski Jr., Guy Zewadski, C. B. Zewadski and Olaf Zewadski.