[4] Ballyhornan was founded in 1636, and a popular explanation of its name in Irish is Baile Uí Chornáin — Ó Cornáin's townland.

[5] More recent research contends that the origin is Baile Torannan, or Toranan's town, referring to a sixth-century saint whose feast day is celebrated 12 August.

[1] Debate has taken place in the Northern Ireland Assembly about finding solutions to the situation in Ballyhornan; some politicians object to spending public funds in upgrading infrastructure because the roadways and sewage systems are privately owned, and they fear a knock-on effect would cause many private developments to seek similar relief.

[7] Changes have happened in the community in recent years, such as the opening of the Ballyhornan Family Centre and projects the center undertakes.

Recorded history of the site dates back to 1403, and it has seen a number of uses—from hurling pitch to remote RAF radar station.