Interprovincial wars frequently altered its boundaries, notably in 332 when the three Collas, sons of Eochaidh Doimhlein, conquered the land between the river Boyne and Lough Neagh, which became a separate kingdom under the name of Uriel (Oriel or Orgial).
The Exemplar Humanae Vitae of Uriel d'Acosta also deserves reference.
But there grew up a strong feeling of hostility between Drogheda versus Uriel and Drogheda versus Midiam, in consequence of trading vessels lading their cargoes in the latter or southern town, to avoid the pontage duty levied in the former or northern town.
Uriel Acosta >>
His father being a convert to Christianity, Uriel was brought up in the Roman Catholic faith, and strictly observed the rites of the church till the course of his inquiries led him, after much painful doubt, to abandon the religion of his youth for Judaism.