The Irish Social Season was a period of aristocratic entertainment and social functions that stretched from January to St. Patrick's Day of a given year. During this period, the major and minor nobility left their country residences and lived in Georgian mansions in places like Rutland Square (now Parnell Square), Mountjoy Square, Merrion Square and Fitzwilliam Square in Dublin. Those with less financial means lived in (or in some cases rented) smaller properties in streets nearby.
The focal point of the Social Season was the move of the Lord Lieutenant of Ireland (the King's representative) from his 'out of season' residence, the Viceregal Lodge (now Áras an Uachtaráin, the residence of the President of Ireland) to live in state in the Viceregal Apartments in Dublin Castle, where he and his wife hosted a series of levées, drawing rooms, banquets and balls in the Castle.
The period of the social season also coincided with the parliamentary sessions of the Irish House of Lords, which