When Mary Anna Curzon-Howe was born on 23 July 1848, in Langar, Nottinghamshire, England, United Kingdom, her father, Richard William Penn Curzon-Howe 1st Earl Howe, was 51 and her mother, Ann Frances Gore, was 31. She married James Hamilton 2nd Duke of Abercorn on 7 January 1869, in St George Hanover Square, London, England, United Kingdom. They were the parents of at least 7 sons and 2 daughters. She lived in Barton in the Beans, Leicestershire, England, United Kingdom in 1861 and Barons Court, County Tyrone, Ireland in 1911. She died on 10 May 1929, in Park Street, Hertfordshire, England, United Kingdom, at the age of 80, and was buried in Newtownstewart, County Tyrone, Northern Ireland, United Kingdom.
Hebrew: Bitter; Marion is the French form.