The village is named after the fortified house with defended courtyard that was built by John Hamilton from Scotland in 1619. By 1622 the lime and stone walls of this structure were 12 feet high and 90 feet long by 63 feet broad. It was destroyed during the 1641 Rebellion. The village of Newtownhamilton takes its name from Alexander Hamilton , a descendant of John Hamilton.
The young people of hamiltonsbawn usually refer to it as H.B city or 'hammybawn'.
In the village there is a costcutters shop , two pubs been the bawn inn & the corner bar , a park , " the sewing room " and the chip stop.
There is a nearby abandoned quarry situated outside mullaghbrack.
Jonathan Swift wrote a poem during his stay in Gosford Demesne, Markethill in 1729, The Grand Question debated whether Hamilton's Bawn should be turned into a Barrack or a Malt House
The village used to run an annual Hiring Fair, commemorated in the traditional song The Hiring Fair at Hamilton's Bawn
The magnificent horse chestnut tree that stood at the Bawn Corner was pulled down in February 2007
The town has a close association with the Armagh rail disaster of 1889. A monument to the disaster is located just outside the town.
The town is also well known for having a very famous wine team
NC Engineering in Hamiltonsbawn manufactures farm machinery. You can see their distinctive logo on farm machinery all over the UK, Ireland and beyond.