On 01 Jan 1712 Queen Anne of England Scotland and Ireland (age 46), on behalf of Robert Harley 1st Earl of Oxford and Earl Mortimer (age 50), created a number of new Baronies to balance power in Parliament, known as Harley's Dozen, ...

Allen Bathurst 1st Earl Bathurst (age 27) was created 1st Baron Bathurst.

Charles Bruce 4th Earl Elgin 3rd Earl Ailesbury (age 29) by writ of acceleration 3rd Baron Bruce of Skelton in Yorkshire.

James Compton 5th Earl of Northampton (age 24) by writ of acceleration 6th Baron Compton of Compton in Warwickshire.

Thomas Foley 1st Baron Foley (age 38) was created 1st Baron Foley.

George Granville 1st Baron Lansdowne (age 45) was created 1st Baron Lansdowne of Bideford in Devon. Mary Villiers Baroness Lansdowne by marriage Baroness Lansdowne of Bideford in Devon.

George Henry Hay 8th Earl Kinnoull (age 22) was created 1st Baron Hay of Pedwardine in Herefordshire.

Thomas Mansel 1st Baron Mansel (age 44) was created 1st Baron Mansel of Margam. [his wife] Martha Millington Baroness Mansel by marriage Baroness Mansel of Margam.

Samuel Masham 1st Baron Masham (age 33) was created 1st Baron Masham of Otes in Essex. Abigail Hill Baroness Masham (age 42) by marriage Baroness Masham of Otes in Essex.

Henry Paget 1st Earl Uxbridge (age 48) was created 1st Baron Burton.

Thomas Trevor 1st Baron Trevor Bromham (age 53) was created 1st Baron Trevor Bromham.

Thomas Willoughby 1st Baron Middleton (age 39) was created 1st Baron Middleton. Elizabeth Rothwell Baroness Willoughby and Middleton by marriage Baroness Trevor Bromham, Baroness Middleton.

Thomas Windsor 1st Viscount Windsor (age 42) was created 1st Baron Mountjoy.