Mr. Durkan was a scion of the O'Dwyer political dynasty , started by William O'Dwyer , who immigrated from County Mayo in Ireland in 1910 and became mayor of New York .
William O'Dwyer /people/person/place_lived County Mayo
William O'Dwyer /people/person/place_of_birth County Mayo
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William O'Dwyer
PERSON
County Mayo
LOCATION
/people/person/place_lived
William O'Dwyer
PERSON
County Mayo
LOCATION
/people/person/place_of_birth