If you are referring to the last name "Troy", the name is spelled Ó Troighthigh, which was first anglicized as O'Trehy but is now Troy.
Woulfe, Wolfe (In Irish: de Bhulbh)
As its not an Irish name there would be no Irish spelling for it
The word qaolionn is not Irish. Irish has no "q".
Neasa
Tadhg
Krieger is a German name so it has no Irish spelling.
The spelling of the name in Irish is Séamas/Séamus. It is equivalent to the English 'James'.
As a first name Siurtán in Irish; as a last name Mac Siurtáin;Iordáin is the name of the country Jordan.
Romaniel has no translation in Irish so the spelling doesn't change.
Ó Cléirchín
The name for a mythical Irish imp is a leprechaun.
The Irish girl's name is spelled Siobhán.