In Irish Gaelic it is diabéiteas.
It is Goisdealbh which is the origin of the surname Costello(e).
Irish Gaelic: Feirmeoir.Scottish Gaelic: Tuathanach.
"Gaelic" can mean "Irish Gaelic' or "Scottish Gaelic". They are classified as two distinct languages.
In the Irish, Roibeard; in the Scottish Gaelic, Raibeart.
muirScottish Gaelic: muir Irish Gaelic: muir or farraige
In Irish Gaelic: cuimhní In Scottish Gaelic: cuimhneachaidh
In Scottish Gaelic: Albannach In Irish Gaelic: Albanach
Costello is Irish Gaelic in origin. It is an Anglicized form of the name "Mac Oisdealbhaigh" or "Son of the one that resembles a deer".
silíni
Fíor
Gaige