There is none
There are six distinct Celtic languages. In Irish there's Seosamh, but in the Nativity Play 'Ioseph' is used.
The Celtic translation for sky is "neamh."
Celtaidd = Celtic
Nirvana has no translation.
The translation of "Tir Na Nog" by Celtic Woman is "Land of Youth" in English.
There are six distinct languages in the Celtic group.
The translation of the Celtic Woman song "Tir Na Nog" lyrics is about a mythical land of eternal youth and happiness in Celtic folklore.
Valerie Baber's birth name is Valerie Kay Baber.
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
In Irish Gaelic it is still spelled 'Valerie'.
Valerie Stilwell's birth name is Valerie Stillwell.
Valerie Jarrett's birth name is Valerie Bowman.