Yes, they were worshippers of the Norse Gods.
They are still around.
Saint Patrick upset the Pagan Druids when he converted the Pagan Irish to Christianity. The Druids were upset that Saint Patrick was replacing their religion with Christianity in an effort to wipe out their religion.
the druids
The druids, like other pagan religions, do not have demons. Those are exclusive to Christianity and it's related sects.
He converted the pagan Druids of Ireland to Christianity.Patrick converted Ireland from the pagan Druid religion to Christianity.
Saint Patrick converted the pagan Druids of Ireland to Christianity.
He described the Trinity to the pagan Druids of Ireland.
Some of the pagan Druids of Ireland were not too happy about St. Patrick's efforts to convert them to Christianity, particularly the chieftains.
His greatest achievement was converting a large number of pagan Druids to Catholicism.
Saint Patrick managed to convert a large percentage of the pagan Druids to Christianity.
Stone hendge is a formation of stones and not a religion, however, Pagan Druids would have been holding rituals at the stones.
Christianity is said to have been brought to Ireland by St. Patrick. Prior to that people were pagan and druids were important.