D'Alton is both a surname and a given name of Norman origin found in Ireland and Britain and places where people from those backgrounds emigrated to. The Hiberno-Norman sept ruled over Rathconrath, previously known as D'Alton country,^[1] and surrounding areas of Westmeath from the Norman invasion of Ireland in 1169 until the Cromwellian Conquest of Ireland in 1649.

Notable people with the name include:

• Eduard Joseph d'Alton (1772–1840), German engraver and naturalist
• Johann Samuel Eduard d'Alton (1803–1854), German anatomist, son of Eduard d'Alton
• John D'Alton (1882–1963), Irish Roman Catholic cardinal and Primate of All Ireland
• John D'Alton (historian) (1792–1867), Irish lawyer and genealogist
• Rob D'Alton (born 1923), Irish sailor and Olympian
• Thomas d'Alton (1895–1968), Australian politician

• D'Alton Corry Coleman (1879–1956), Canadian businessman
• D'Alton or Dalton McCarthy (1836–1898), Canadian lawyer and parliamentarian

• Dalton (disambiguation)
• Alton (disambiguation)

Name list

This page or section lists people that share the same given name or the same family name.
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