When Father Peter J. Brenny was born on 5 February 1878, in Oppeln, Oppeln, Silesia, Prussia, Germany, his father, Jozef Brenny, was 43 and his mother, Franciszka Cziok, was 37. He had at least 1 son and 1 daughter. He lived in Detroit Ward 9, Detroit, Wayne, Michigan, United States in 1900. In 1905, at the age of 75, his occupation is listed as catholic priest founded brennyville, mn. in Brennyville, Benton, Minnesota, United States. He died on 15 August 1955, in Morrison, Minnesota, United States, at the age of 77, and was buried in Brennyville, Benton, Minnesota, United States.