Sir John Dongan, 2nd Baronet

Sir John Dongan, 2nd Baronet, took up his residence at Castletown, County of Kildare following his father's death in 1626, when John was 23 years old. Member of the Irish Parliament of 1634, (Illustrations, historical and genealogical, of King James's Irish army list ... By John D'Alton at 258).

NOTE from Journal of the Co. Kildare Archaeological Society, Vol. 4 at 69: About the middle of the seventeenth century there were no fewer than four John Dongans connected with the County Kildare—a similarity in name likely to cause confusion and difficulty in distinguishing one from the other; they were:— 1. Sir John Dongan, Bart., of Castletown. His will is dated the 26th July, 1642. 2. John Dongan of rurryb.il Is, son of William, theBecorder of Dublin. He died in February, 1636. 3. John Dongan of Posseckstown, son of Thomas of Griffinrath. His will is dated November, 1665; and he died without male issue. 4. John Dongan of Grangeclare (whom I am unable to identify). He had a son named James. Edward Dongan of Kiltaghan, in 1639, bequeathed him £20. John Dongan of Cuvi vhills describes him in his will as his cousin. Sir John Dongan, in his will dated 1642, mentions "James Dongan, son to my cossen, John Dongan, of Grangeclare."

https://en.wikipedia.org/wiki/Earl_of_Limerick