The title of the former political unity composed of england, wales, scotland and ireland, offiacially adopte don january 1st 1802, when the act of unión between great Britain and Ireland come into force the name great Britain has been used since the union of the kingdoms of England and Scotland in 1707 as the official designation of the united countries
When, in 1922, 26 irish countries were severed from the united kingdom and sended into a dominion of the british empire under the name of the irish free state, no prvision was made in the act of any chanandge in the royal style or in the titleimperial partiament from 1922 onward however the title of united kingdom of great britan and northern Ireland was frequently used in official documents to designate those parts of the british isles represented in the imperial parliament, meeting at Westminster
Northem at Ireland