William b. 1762 and Margaret b. 1772 both in Kirkintilloch, Scotland.They married about 1790 and had Children:William, Mary, Marrion, Andrew, Margaretand Jean.They arrived in the U.S. about 1814 and William signed an oath of Intention in 1826.He was naturalized in 1831.He died in 1847 and is buried at Gilliland Cemetery in Willsboro, NY.
I have found no further trace of Margaret Marion (Rochead) Fergus.If anyone has further information about either of them please contact me.
I also have some more records on this line if I can help someone else.