Career
In 1610, under the Ulster Plantation, William was given a grant of 1,000 acres (40 km2) in the proportion of Toneregie, now Tandragee, in the Barony of Clankee in County Cavan. He built Bailieborough Castle close to what was to become the town of Bailieborough and settled a number of Scottish families in the area. William had two sons William and Robert.