The Ahern surname researchers' database at http://homepages.rootsweb.ancestry.com/~aherns/ahsurn.htm lists a James Ahern who is researching a John J. Ahern, born 1873 in Ballindangan, Co. Cork who emigrated to Boston, Massachusetts. Unfortunately, the email address is no longer valid. If anyone has the current email address for this researcher, please contact me at ahern@world.std.com.