When Dennis Patrick O'Callaghan was born on 29 October 1894, in Somerset, England, United Kingdom, his father, Major George Henry Kenneth MacDonald O'Callaghan, was 42 and his mother, Susanna Charlton Harding, was 29. He married Margaret Hamlin Olivier on 2 November 1923, in Brookline, Norfolk, Massachusetts, United States. He died on 15 September 1924, in Newfoundland, Canada, at the age of 29, and was buried in St. John's, Newfoundland and Labrador, Canada.
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The Entente Cordiale was signed between Britain and France on April 8, 1904, to reconcile imperial interests and pave the way for future diplomatic cooperation. This ended hundreds of years of conflict between the two states.
London, United Kingdom hosts Summer Olympic Games.
Outbreak of World War I. UK enters hostilities against Germany. Grueling trench warfare in Belgium and France.
Some characteristic forenames: Irish Liam, Dermot, Donal, Kiernan, Niall, Conor, Donovan, John Patrick, Kieran, Siobhan, Tiernan.
Irish (Cork): from Gaelic Ó Ceallacháin, see Callahan .
Dictionary of American Family Names © Patrick Hanks 2003, 2006.
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