Marko Krizin was born in 1588.
Marko Krizin died in 1619.
Which Saint Augustine? There are several.
There are many, many saint named Maria, Marie or Mary that are recognized by the Church.
Constantine is not recognized as a saint in the Catholic Church so has no feast day. He is recognized as a saint in the Orthodox Church, however.
Saint Natalia is recognized as a Christian martyr and saint in the Eastern Orthodox Church. She is not widely recognized in the Catholic tradition.
I can find no record for a recognized saint named Fermentas.
Gregory is recognized as a saint in the Orthodox religion but not in the Catholic.
There is no saint Conor. However there is Blessed Conor O'Devany but he is not yet recognized as a saint.
Because he is credited with bringing Christianity to Ireland.
Saint Ariel is an archangel in the Orthodox tradition but not recognized by the Catholic Church.
There is no Saint Esther recognized by the Catholic Church. The Book of Esther is part of the Old Testament in the Catholic Bible, but Esther is not formally recognized as a saint in the Catholic tradition.