William Bailie was a native of Ayrshire

Ayrshire

Ayrshire is a registration county, and former administrative county in south-west Scotland, United Kingdom, located on the shores of the Firth of Clyde. Its principal towns include Ayr, Kilmarnock and Irvine. The town of Troon on the coast has hosted the British Open Golf Championship twice in the...

, Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

. In 1610 , under the Ulster Plantation, William was given a grant of 1000 acres (4 km²) in the proportion of Toneregie, now Tandragee, in the Barony of Clankee in Co. Cavan. He built a Bailieborough Castle

Bailieborough Castle

Bailieborough Castle, located in Bailieborough, County Cavan, Ireland, was built by William Bailie a Scottish "undertaker" or Planter, who was granted the lands of Tonergie in East Breffnie by James I. He built the castle and enclosed the demesne by 1629...

 close to what was to become the town of Bailieborough

Bailieborough

Bailieborough or Bailieboro is a medium-sized town in the townland of Tanderagee, County Cavan, Ireland.Bailieborough is a thriving town in co cavan and is also experiencing a large population increase, its population now stands at 3,908+ which makes it the second largest town in Cavan.The town is...

 and settled a number of Scottish families in the area. He is credited as the founder of the town of Bailieborough, although the present town did not develop until the 19th century when Colonel William Young of Loughgall

Loughgall

Loughgall is a small village and townland in County Armagh, Northern Ireland. In the 2001 Census it had a population of 285 people.Loughgall was named after a small nearby loch. The village is at the heart of the apple-growing industry and is surrounded by orchards. Along the village's main street...

, Co. Armagh owned the estate.

Family

William had two sons William and Robert. William Bailey became Bishop of Clonfert and Kilmacduagh

Bishop of Clonfert and Kilmacduagh

The Bishop of Clonfert and Kilmacduagh was the Ordinary of the Church of Ireland diocese of Clonfert and Kilmacduagh, comprising the southern part of County Galway and a small area of County Roscommon, Ireland.-History:...

and inherited his father's estate.