Trivia.com
The "O" before an Irish name (ex O'keefe, O'Reilly, etc) means "descendant of."
Trivia.com
O is the oldest letter of the alphabet, dating back to 3000 B.C
See also
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The "O" before an Irish name (ex O'keefe, O'Reilly, etc) means "descendant of."
O is the oldest letter of the alphabet, dating back to 3000 B.C