The 1858 Waukesha City Directory Caspar John, cabinet maker, Main ab Mill, h same In the margin there is a handwritten note "Gaspar, John - not Caspar". In the business section of this Directory John is listed under Cabinet Maker, Furniture Dealer, and Undertaker.
The Waukesha County Gazetteer 1890-91. City of Waukesha Gaspar Charles, furniture and undertaking, 119 Main, r 150 Main. Gaspar Frederick A, cabinermkr Chas Gaspar, r 17 Barnard. Gaspar John, r 139 Main. Gaspar John L. Gaspar & Le Clear, r 18 1/2 West Park av. Gaspar & Le Clear (John L Gaspar and Nathaniel H. Le Clear), hardware, stoves and coal, 92 Main.
This family must have had an impact on the city, there is a street named for them. Gaspar runs north and south for two blocks, between W. Main and South St. in downtown Waukesha.