Children and grandchildren:

1. 2. O/ Domhnalláin, b. at Ballydonnelan, Co. Galway; 1 grandchild

Spouse: O/ Ceallaigh, b. bef. 1412 at Co. Galway

Father: William O/ Ceallaigh ( - )

Married.

2. O/ Domhnalláin, b. at Ballydonnelan, Co. Galway

Father: 1. Tulach O/ Domhnalláin (bef. 1399 - )

Children and grandchildren:

1. 3. O/ Domhnalláin (2), b. at Ballydonnelan, Co. Galway; 1 grandchild

3. O/ Domhnalláin (2), b. at Ballydonnelan, Co. Galway

Father: 2. O/ Domhnalláin ( - )

Children and grandchildren:

1. 4. O/ Domhnalláin (3), b. at Ballydonnelan, Co. Galway; 1 grandchild

4. O/ Domhnalláin (3), b. at Ballydonnelan, Co. Galway

Father: 3. O/ Domhnalláin (2) ( - )

Children and grandchildren:

1. 5. Melaghlin (Malachy) O' Domhnalláin, b. at Ballydonnelan, Co. Galway, d. 1548 at Ballydonnelan, Co. Galway; 1 grandchild

5. Melaghlin (Malachy) O' Domhnalláin, b. at Ballydonnelan, Co. Galway, d. 1548 at Ballydonnelan, Co. Galway

Father: 4. O/ Domhnalláin (3) ( - )

Children and grandchildren:

1. 6. Nehemias O/ Domhnalláin, b. at Ballydonnelan, Co. Galway, m. Elizabeth O'Donnell, d. 1604; 5 grandchildren

6. Nehemias O/ Domhnalláin, b. at Ballydonnelan, Co. Galway, d. 1604

Father: 5. Melaghlin (Malachy) O' Domhnalláin ( - 1548)

He was taken to England and reared in the court of Queen Elizabeth, as a kind of hostage and also to ensure that as a future Irish chief, he would be loyal to the crown. He returned to Ireland and became the Protestant Archbishop of Tuam.

Spouse: Elizabeth O'Donnell

She was the great-grand-daughter of the Chief of Tirconaill.

Married.

Children and grandchildren:

1. 7. John O/ Domhnalláin, b. bef. 1600 at Ballydonnelan, Co. Galway, d. 1655; 1 grandchild
2. 11. James O/ Domhnalláin, b. bef. 1601
3. 12. Edmond O/ Domhnalláin, b. bef. 1602
4. 13. Teigue O/ Domhnalláin, b. bef. 1603
5. 14. Murtough O/ Domhnalláin, b. bef. 1604

7. John O/ Domhnalláin, b. bef. 1600 at Ballydonnelan, Co. Galway, d. 1655

Father: 6. Nehemias O/ Domhnalláin ( - 1604)
Mother: Elizabeth O'Donnell ( - )

Children and grandchildren:

1. 8. Melaghlin O/ Domhnalláin, b. at Ballydonnelan, Co. Galway, m. Christian Blake, d. 1673; 1 grandchild

8. Melaghlin O/ Domhnalláin, b. at Ballydonnelan, Co. Galway, d. 1673

Father: 7. John O/ Domhnalláin (bef. 1600 - 1655)

Not positive about birthplace.

Spouse: Christian Blake

Married.

Children and grandchildren:

1. 9. John Mor O/ Domhnalláin, b. bef. 1673 at Ballydonnelan, Co. Galway, m. Mable Fitzgerald, d. 1710 at Dublin; 1 grandchild

9. John Mor O/ Domhnalláin, b. bef. 1673 at Ballydonnelan, Co. Galway, d. 1710 at Dublin

Father: 8. Melaghlin O/ Domhnalláin ( - 1673)
Mother: Christian Blake ( - )

Not positive about birthplace

Spouse: Mable Fitzgerald

Married.

Children and grandchildren:

1. 10. Melaghlin O/ Domhnalláin (2), b. at Dublin, m. Mary Dillon, d. 26 November 1726 at Dublin; 1 grandchild

10. Melaghlin O/ Domhnalláin (2), b. at Dublin, d. 26 November 1726 at Dublin

Father: 9. John Mor O/ Domhnalláin (bef. 1673 - 1710)
Mother: Mable Fitzgerald ( - )

Not positive about birthplace.

Spouse: Mary Dillon

Married.

Children and grandchildren:

1. John O/ Domhnalláin (2), b. at Dublin, m. Mary Daly, d. 10 December 1743 at Dublin; 8 grandchildren

11. James O/ Domhnalláin, b. bef. 1601

Father: 6. Nehemias O/ Domhnalláin ( - 1604)
Mother: Elizabeth O'Donnell ( - )

12. Edmond O/ Domhnalláin, b. bef. 1602

Father: 6. Nehemias O/ Domhnalláin ( - 1604)
Mother: Elizabeth O'Donnell ( - )

Edmond settled in Killucan, Co. Westmeath.
He may be a direct ancestor of the later branches of the Donlons in the Westmeath area, including the Ballyhealy branch of the family.

13. Teigue O/ Domhnalláin, b. bef. 1603

Father: 6. Nehemias O/ Domhnalláin ( - 1604)
Mother: Elizabeth O'Donnell ( - )

14. Murtough O/ Domhnalláin, b. bef. 1604

Father: 6. Nehemias O/ Domhnalláin ( - 1604)
Mother: Elizabeth O'Donnell ( - )