Named afterKildare, Ireland. Named for its proximity to Navan, the birthplace of Charles Yelverton O'Connor who was Western Australia's Engineer in Chief of Public Works and Manager of Railways. He commissioned limestone to be quarried from the Rocky Bay area to be used in the construction of the North and South Moles and Fremantle Harbour.DescriptionApproved by the Geographich Names Committee on 12.06.2008