Petro, John M.
The following data is extracted from The Book of Clevelanders, A Biographical Dictionary of Living Men of the City of Cleveland, Burrows Book Company, 1914.
Petro, John M.; born, Hungary, 1877; educated in Parochial schools, Cleveland; married, Cleveland, 1898, Mary Melleza; six children, three boys and three girls; started as mechanical pattern maker's apprentice in 1890, working for several years on outdoor work on account of poor health; 1897, started as apprentice plumber, for his brother, J. J. Petro; bought his business in 1910; does high class of work and has good trade, built up by honest methods and good work; well-known among Hungarians of the city, as parents were pioneers from Hungary; in 1894, organized St. Stephen's Young Men's Society, sec'y and treas. of same; member Lincoln Tent of Maccabees; also member Gilmour Court, Catholic Order of Foresters.
Source: The Book of Clevelanders, A Biographical Dictionary of Living Men of the City of Cleveland, Burrows Book Company, 1914