Peter O'Connor was an Irish track and field athlete who set a long-standing world record for the long jump and won two Olympic medals in the 1906 Intercalated Games.
The flag waved by Peter O'Connor at the 1906 Olympics
Erin go Bragh, sometimes Erin go Braugh, is the anglicisation of an Irish language phrase, Éirinn go Brách, and is used to express allegiance to Ireland. It is most often translated as "Ireland Forever."
Mother and child with an "Erin Go Bragh" banner during a Saint Patrick's Day Parade in New York, 1951
Art from the 106th annual banquet of the Friendly Sons of St. Patrick