MP Trim is in MP Ireland.
In 1757 Garrett Wellesley 1st Earl Mornington [aged 21] was elected MP Trim.
In 1758 William Francis Crosbie was elected MP Trim.
In 1791 Clotworthy Taylour aka Rowley 1st Baron Langford [aged 27] was elected MP Trim which seat he held until 1795 when he was raised to the Peerage.