I did verify that the Thomas Kruszka I found on the 1900 Census and in the Cook County Illinois Catholic Church records was the same Thomas Kruszka who was a brother to my DH's great grandfather, Michael Kruszka. Fortunately, I was able to contact a friend, who, through my description of the record I found online was able to verify for me that the database was the one I thought it was. This would be the Poznan Marriage Record Project. It gives the year and the parental information, which is how I was able to ascertain the validity of my supposition
I contacted someone on Ancestry.com who has a private tree that includes Thomas. Everyone has the wrong birth information. He was born in 1851, not 1849. I have the birth record to prove it.
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