The Joseph W. Jirsa's of Portage, Wisconsin

I am researching the Jirsa family from Wisconsin. The earliest relative that I have sketchy data on is "Anton or Antonin Jirsa" b. Jan. 12,1843 in the Bohemian district of Landskroun and the town or village of Parnik. He died on Oct. 19,1925 in LaCrosse, Wisconsin. Anton was married to Frances or Frantiska Cindr in Bohemia, and had 2 daughters, Barbara and Agnes, born in Bohemia. My grandfather, Joseph (Bohuml)Wencel Jirsa, was born in LaCrosse, Wisconsin on Nov. 8,1886, d. 2/9/64 in Portage, Wisconsin.
Our Family Tree information was started by my father "Alois Jirsa",b. 6/16/12 in LaCrosse, Wisconsin, d. 6/21/89 in Portage, Wisconsin. Most of the families lived in the midwest USA. Some related surnames are SVEC, CUTA, BERANEK, and SPIKA.

Any related information will be greatly appreciated. I am also willing to share the information that I have.