40.2.2: 1: Titles of nobility shall not be conferred by the State. 2. No title of nobility or of honour may be accepted by any citizen except with the prior approval of the Government.
So reads the Constitution of the Irish Republic.
Sadly, Crown Steward and Bailiff of the Manor of Northwood probably qualifies as a plain, old job rather than as a "title of nobility or of honour". But you never know.