There are thousands of Poles and other ethnic groups in the north of Ireland, the mid-Ulster area has seen large numbers of Poles working in food packing firms.
There is no significant numbers attending the local Catholic churches in the north reports from the churches bear this out, like our youth religion is way down the list, they are over here to be exploited by their employers and the the greedy landlords who are housing them in unfit hovels at exorbitant rent.