Elizabeth Hay, Countess of Erroll was born 17 January 1801 in England to William IV of the United Kingdom (1765-1837) and Dorothy Bland (1761-1816) and died 16 January 1856 Edinburgh of unspecified causes. She married William George Hay, 18th Earl of Erroll (1801-1846) 4 December 1820 in St George's Hanover Square Church.
Children
| Name | Birth | Death | Joined with |
| Ida Harriet Augusta Hay (1821-1867) | 18 October 1821 | 22 October 1867 | |
| William Harry Hay, 19th Earl of Erroll (1823-1891) | 3 May 1823 Bushy Park, Greater London, England, United Kingdom | 3 December 1891 Slains Castle, Aberdeenshire, Scotland, United Kingdom | Eliza Amelia Gore (1829-1916) |
| Agnes Georgiana Elizabeth Hay (1829-1869) | 12 May 1829 | 18 December 1869 | James Duff, 5th Earl of Fife (1814-1879) |
| Alice Mary Emily Hay (1835-1881) | |||
Residences
Footnotes (including sources)
| ‡ General |
| Ω Birth |
|
| ₪ Wedding |
|
| ¶ Death |
|