The Westenra family remained as the principal landlords of Monaghan Town up into the early twentieth - century .
The Rossmore Estate was inherited in August of that year by Warner Westenra , 2nd Baron Rossmore from his uncle .
The Warner Westenra family remained as the principal landlords of Monaghan Town up into the early twentieth - century .
The Rossmore Estate was inherited in August of that year by Warner Westenra , 2nd Baron Rossmore from his uncle .