My gg grandfather James Keogh (Kehoe) m. Ellen Murphy in Dublin Ire year unknown. Possible brother of James is Peter.

Children James Keogh (Kehoe) and Ellen Murphy,that I am aware of are John P. b. May 16, 1853 in Dublin, twins Patrick and Michael, b 10-4-1861, Thomas H. b. 4-22-1863(my g grandfather), Mattie (female) b. 4-27-1866, and Stephen b. 1-5-1868 all born in Northhampton.

The spelling on birth records is KEHOE. John P. and Thomas H. settled in Dayton OH in the wholesale paper business before and at the turn of the century. Spelling always known in the family is KEOGH.

I'm looking for area of Dublin this family is from and when they settled in Massachusetts.