Cadogan is an anglicized form of the Welsh name Cadwgan, which itself derives from the Old Welsh elements cat meaning "battle" and guocaun meaning "glory, honour", thus the name signifies "glory in battle". The name appears briefly in the medieval Welsh tale The Dream of Rhonabwy. While it historically served as a personal name, it has also become a surname. As a surname, it may also have Irish origins as an anglicization of Ó Ceadagáin. Etymology The name Cadogan is rooted in the Old Welsh Catguocaun, a compound of cad "battle" and guocaun "glory, honour". The anglicized form Cadogan emerged through phonetic adaptation of the original Welsh names into English. The Irish connection suggests a separate origin as a surname derived from the Gaelic Ó Ceadagáin, though the etymology is distinct from the Welsh lineage. Notable Bearers Cadogan is most famously associated with the Cadogan family, holders of the English earldom Cadogan. The surname appears frequently in historical records, and notable bearers include William Cadogan, 1st Earl Cadogan (1671–1726), a British army officer who served under the Duke of Marlborough. The name is also found in cultural references, such as the Cadogan Hotel in London, a noted literary landmark. Distribution According to the 2010 United States Census, Cadogan ranks as the 19,210th most common surname in the country, with 1,413 individuals bearing the name. It remains more prevalent in Wales and England but has diaspora in English-speaking countries. Meaning: "Glory in Battle" (Welsh origin) Origin: Welsh (anglicized from Cadwgan) Type: Anglicized form, also surname Usage Regions: Wales, Ireland, English-speaking world