Arthur was born before 1830. He passed away after 1851.
Sources
"Massachusetts Births, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FXD1-57G : 11 March 2018), Arthur O'Leary in entry for Dennis O'Leary, 13 Dec 1850, Boston, Massachusetts; citing reference ID #64, Massachusetts Archives, Boston; FHL microfilm 1,428,237.
Is Arthur your ancestor? Please don't go away! Login to collaborate or comment, or contact
the profile manager, or ask our community of genealogists a question.