The One and Only... is a British entertainment show was presented by a man who claims to be the only O'Connor who ever had a what?
The One and Only (TV programme):  The first show aired on 8 April 2012 and was presented by Des O'Connor. Des O'Connor: O'Connor was born in Stepney, East London to Maude ("née" Bassett) and Harry O'Connor. Des O'Connor:  His mother was Jewish and his father was from Ireland. Des O'Connor:  Des claims to be the only O'Connor who ever had a Bar Mitzvah.
i don't know