Olivia Charlotte Guinness, Baroness Ardilaun
Irish philanthropist (1850–1925)

Olivia Charlotte Guinness, Baroness Ardilaun (27 August 1850 – 13 December 1925), best known as Lady Ardilaun was, after the British monarch, the richest woman of her time in Britain and Ireland. A daughter of the Earl of Bantry, she was connected to Muckross House, Macroom Castle, Bantry House, the St Anne's Estate in Dublin, and Ashford Castle.
Life
Born Olivia Charlotte Hedges-White to Jane Herbert and her husband, William Hedges-White, 3rd Earl of Bantry, on 27 August 1850 in County Cork, she was one of six children. Her brother became the last Earl of Bantry. Her family had lived at Muckross House, County Kerry since the 1650s.
She married Sir Arthur Guinness on 16 February 1871 at Bantry, County Cork, Ireland. They had no children.
Ardilaun enjoyed painting, collecting her watercolours in a bound album, and was a member of the Water Colour Society of Ireland. The works include the landscape around Ashford Castle, the family's main home, and views from the family house in suburban Dublin. The couple completely rebuilt the Dublin house, renaming it from Thornhill to St Anne's, as well as arranging a grand addition to Ashford Castle.
The public source identifies “Olivia Charlotte Guinness, Baroness Ardilaun” as irish philanthropist (1850–1925). This brief keeps that definition visible, then builds a research path around Olivia, Charlotte and Guinness.
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This entry incorporates text from “Olivia Charlotte Guinness, Baroness Ardilaun” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.