Katherine Plunket was an Anglo-Irish aristocrat and amateur artist from Ballymascanlan, County Louth. She holds the distinction of being the oldest person ever to be born and die in Ireland, living to the age of 111 years and 327 days. She is also the fourth longest-lived Irish person in recorded history.
- Occupation
- painter, botanical illustrator, scientific illustrator, artist
- Citizenship
- Ireland, United Kingdom
- Born
- November 22, 1820
- Died
- October 14, 1932