Scottish Gaelic became an independent language after the 16th century .
Northern Ireland LIFE & TIMES Survey : What is the main language spoken in your own home ? The dialect spoken in Northern Ireland , Ulster Irish , has two main types , East Ulster Irish and Donegal Irish ( or West Ulster Irish ) , is the one closest to Scottish Gaelic ( which developed into a separate language from Irish Gaelic in the 17th century in Scotland ) .
Northern Ireland