John O'Callaghan
Encyclopedia
John O'Callaghan may refer to:
- John O'Callaghan (hurler) (born 1988), Irish hurler
- John O'Callaghan (DJ)John O'Callaghan (DJ)John O'Callaghan is an Irish DJ, mainly producing electronic dance music. He also produces music under the alias of Joint Operations Centre, Mannix and Stenna. He has also collaborated with fellow Discover artists such as Bryan Kearney, Neal Scarborough , Thomas Bronzwaer and Greg Downey as well...
, Irish DJ - John O'Callaghan (politician)John O'Callaghan (politician)John O'Callaghan , was secretary of the United Irish League and staff writer on the Boston Globe....
, secretary of the United Irish League - John O'Callaghan, lead singer of The MaineThe Maine (band)The Maine is an American rock band from Tempe, Arizona. They were formed in January 21st, 2007, they released EP Stay Up, Get Down in the same year. On December 11 2007, The Maine made their debut with a five song EP called The Way We Talk produced by Matt Grabe...
- Liam McCarthy and John D. O'CallaghanLiam McCarthy and John D. O'CallaghanLiam McCarthy and John D. O'Callaghan are Irish students from Kinsale, County Cork. They were the winners of the 45th Young Scientist and Technology Exhibition in 2009 at the ages of thirteen and fourteen respectively...
, BT Young Scientists of the Year and EU Young Scientists of the Year, 2009 - John O'Callaghan (Medal of Honor recipient) (fl. 1868–1870), American soldier and Medal of Honor recipient