Lady Louisa Lennox (1743-1821) was the third of the four Lennox sisters immortalised in Stella Tillyard's book Aristocrats and the BBC television series based on it. // Events February 14 - Henry Pelham becomes British Prime Minister February 21 - - The premiere in London of George Frideric Handels oratorio, Samson. ... 1821 was a common year starting on Monday (see link for calendar). ...

The Lennox sisters were daughters of Charles Lennox, 2nd Duke of Richmond, a legitimate descendant of an illegitimate son of King Charles II of England. After the death of her parents, Lady Louisa was brought up by her sister Emily in Kildare and married Tom Conolly, the grand-nephew of William Connolly, Speaker of the Irish House of Commons at the age of 16. They lived in the Palladian mansion Castletown House in County Kildare, the decoration of which she directed throughout the 1760s and 1770s, while her husband raised and rode his racehorses. Charles II (29 May 1630–6 February 1685) was the King of England, Scotland, and Ireland from 30 January 1649 (de jure) or 29 May 1660 (de facto) until his death. ... A villa with a superimposed portico, from Book IV of Palladios I Quattro Libri dellArchitettura, in a modestly priced English translation published in London, 1736. ... Castletown House, Irelands finest Palladian country house, is an imposing building built in 1722 for William Connolly, the Speaker of the Irish House of Commons. ...