If the data on the 1900 and 1910 censuses is correct, they were married between April 26 and May 31, 1890. Those censuses were taken June 1 and April 25, respectively.
Finding the specific date could be difficult. Many Catholics of Polish descent did not register their marriages with county authorites, only with their church. Perhaps, that was a Polish custom that it was only necessary that the marriage be recognized by the church.
A Casimir SZYMANOWSKI died of meningitis at 5m 13d. He was b 2 Aug 1911, d 15 Jan 1912, and was the s/o Johan Szymanowski and Francizka ORLOWSKA. He was buried in Calvary Cemetery, Toledo, on 17 Jan 1912.
John, b 13 Dec 1868 Poland, d 22 May 1942 of a coronary occlusion at home in Toledo. He was the s/o Joseph and Kathryn ?FUJOLOWSKI, both born in Poland. John was buried in Calvary Cemetery on 26 May 1942.
Frances d 1 Jan 1960 at age 81 but I have no info on her.