EntityQ16958274· pop 6· linked from 201 articlesInsular CeltsSign in to savepeople who lived in the British Isles and Brittany, and who spoke the same Celtic languageConnectionsCeltic BritonsEntityProto-CelticEntityAnglo-Saxon settlement of EnglandEntityPrehistory of IrelandEntitystratumEntityBritish Iron AgeEntityhistory of Ireland (400–795)EntityJulius CaesarPersonWalesEntityironEntityRoman EmpireEntityIrishEntityIsle of ManEntityInternational Standard Book NumberEntityIberian PeninsulaEntityPtolemyEntityBretonEntityScottish GaelicEntityStonehengeEntityRiver ThamesEntityCategoriesCeltic ethnolinguistic groupsIron Age BritainPopulation genetics in the United Kingdom