Hayley Riordan is a fictional character that does not have a real birth date as she is a character from the Percy Jackson book series created by author Rick Riordan.
December 27th 1988
Haley is older than Patrick.
Hayley Williams was born on December 27, 1988
Riordan Roett was born in 1938.
Michael Riordan was born in 1889.
James Riordan was born in 1936.
Steva Riordan was born in 1875.
Darby Riordan was born in 1888.
Maurice Riordan was born in 1953.
Hayley Haining was born in 1972.
Hayley Bishop was born in 1982.
Hayley Tullett was born in 1975.
Hayley Price was born in 1966.