Thomas Roper is the first member of the Viscount Baltinglass, who is well remembered for being a soldier and peer. He served as one of the greatest English Royal Army throughout James I's rule, and his Knighthood occurred on 16th September 1603. He became the key leaser of "Herbert Estates" after ascending to the Monastery in the year 1626 and becoming the Viscount Baltinglass in the year 1627.