Ulster-Scots.

It can refer to dialects of Scottish Gaelic spoken in parts of Ulster in Ireland. or English that is spoken with an Ulster Scots accent.

James Fenton - Ulster Scots poet - was born in 1931.

Those in the Ulster-Scots communities hold that Ulster Scots is a language, not a dialect of English. The poet Robert Burns wrote in Scots. Ulster Scots is spoken in Northern Ireland, the Ulster Scots Agency promotes the US language and culture, the BBC hosts a radio programme each week in U.Scots.

There are many Boyd's in Ulster. Most of whom originated in Scotland. There are no specifically Ulster-Scots names as such but if the name is in Ireland and the family can be traced back further to Scotland then those people are likely to be Ulster-Scots.