William FitzMaurice was a notable figure in the 12th century, primarily recognized for his role as a nobleman in Ireland. He was a member of the FitzMaurice family, which played a significant part in the Anglo-Norman invasion of Ireland. His lineage and connections helped establish the family's influence in the region. FitzMaurice is often associated with the establishment of Tralee, a town in County Kerry, where he was granted lands. His contributions to the area included the development of settlements and the promotion of agriculture, which laid the groundwork for future growth and prosperity in Munster.