Släkthistoria för Begadon
Begadon Vad efternamn betyder
explained by Woulfe as an anglicized form (in Carlow) of Ó Beagacháin ‘descendant of Beagachán’ a personal name based on beag ‘small’. Names with the ending -achán were often anglicized as either -agan or -ahan (see Hourigan Hanrahan) although the presence of d rather than g is unusual.
Källa: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
