William Ayers/Ayres

We are seeking any researcher working on the family of William Ayers/Ayres and Mary Regan.She came to the U. S. in the mid 1800s from Limerick, Ireland.A delayed birth certificate from their daughter says that he did also.We would like to connect to any person from this line.(Mary was the daughter of Mary Long and David Regan; sister to Alice, Michael, John, William, and Catharine and six more brothers as yet unknown.)