No Gaelic version of the name.
In Scots Gaelic it is spelled IAIN.
No.
Críostóir (male name)
River, first name, last name?
O'Sullivan = Ó Súilleabháin
if you're talking about the name Butler, then it is "de Buitléar".
The Scottish Gaelic name Lachlann is written Lachlan in English.
gaelic
Kid Jensen's birth name is David Jensen.
To my knowledge there is no Gaelic equivalent to Beverly. Nowadays non-Gaelic names are usually left in the original.The closest Irish Gaelic name would be Béibhinn ('white lady') It sounds something like 'Bevin'.As for Scottish Gaelic:?
"Mac Toirdhealbhaigh" is the Irish Gaelic form.In a more modern spelling Mac Toiríolaigh.