It's not in Gaelic or any other Celtic language.
There is no single language called 'Celtic': it a language family comprised of six distinct languages. A Gaelic subgroup (Irish Gaelic, Scottish Gaelic, Manx) and a Brythonic subgroup (Welsh, Breton, Cornish).
In Irish it's "saoirse" In Welsh it's "rhyddid" In Scots Gaelic it's "saorsa"
Irish Gaelic: Diána [dee-awn-a]
In Irish it's "teach solais" In Welsh it's "goleudy" In Scots Gaelic it's "taigh solais"
bear claw is in English, do you mean, what the Gaelic translation of the English phrase "bear claw"?
Irish Gaelic: Breithlá shona dhuit. Scots Gaelic: Manx Gaelic: Welsh: Breton: Cornish:
In Irish it's "fírinne" In Scots Gaelic it's "fìrinn"
In Irish (Gaelic) it is "leathcheann". In (Scottish) Gaelic: ?
It doesn't look like a Gaelic word.
Irish is: an áitScottish Gaelic is: an t-àite
Henry Whyte has written: 'The Celtic lyre' -- subject(s): Accessible book 'The Celtic garland' -- subject(s): Translations from Scottish Gaelic, English Ballads, Translations into Scottish Gaelic, Translations into English, English Folk songs, Scottish Gaelic Folk songs, English poetry, Scottish Gaelic Ballads, Scottish Gaelic poetry 'Is braithrean sinn uile'
There really is no 'translation' for the name; it would be the same. Note: there are more than a dozen Celtic languages, including 6 that are still spoken today. You would have to be more specific. here is a list of the 6 living Celtic languages: Irish Gaelic Scottich Gaelic Welsh Breton Manx Cornish