Peerage types

Name	Number of peerages
Hereditary peerage	1492
Hereditary peerage (already peer of Ireland)	143
Hereditary peerage (already peer of Scotland)	64
Hereditary peerage subsidiary to another created by the same letters patent	478
Life peerage: already a hereditary peer	20
Life peerage: Appellate Jurisdiction Act 1876	100
Life peerage (before 1876)	19
Life peerage: Life Peerages Act 1958	1534
New hereditary peerage: not a promotion	64
Peerage of Ireland	399
Promotion	647
Promotion in the peerage of Ireland	238