In Dec 1800 King George III of Great Britain and Ireland (age 62) created a number of peers who supported the Act of Union ....

On 21 Dec 1800 Charles Stanley Monck 1st Viscount Monck (age 46) was created 1st Viscount Monck.

On 29 Dec 1800 ....

Murrough O'Brien 1st Marquess Thomond (age 74) was created 1st Marquess Thomond. Mary Palmer Marchioness Thomond (age 50) by marriage Marchioness Thomond.

Charles Tottenham aka Loftus 1st Marquess Ely (age 62) was created 1st Marquess Ely in County Wexford. Jane Myhill Marchioness Ely by marriage Marchioness Ely in County Wexford.

James Alexander 1st Earl Caledon (age 70) was created 1st Earl Caledon in County Tyrone.