When George Burton Trowbridge was born on 28 June 1868, in La Grange, Monroe, Wisconsin, United States, his father, George M. Trowbridge, was 33 and his mother, Polly O. Bigelow, was 33. He married Ida Bell Grovesteen on 25 December 1892, in Monroe, Wisconsin, United States. They were the parents of at least 4 sons. He lived in Byron, Monroe, Wisconsin, United States in 1920 and Wyeville, Monroe, Wisconsin, United States for about 10 years. He died on 22 June 1948, at the age of 79.