Tanya,
Witherows have been in the Parish of Banagher for a long time. I have done some look-ups and found the following.
1831 Census- Hugh, James, James, Joseph, Thomas, William, all heads of house Aughlish.
George, Gallany, Banagher
David, Teeavan, Banagher
1796 Flax Growers Register- Alexander, James, Joseph, Samuel, Thomas, William, all Banagher Parish
1766 Religious census- Hans, James, Thomas, William, all Banagher Parish heads of house.
1740 Census of Protestant householders- James, Thomas, William, all Aughlish, Banagher.
Regards