Duffy is a boy name with roots in Irish and Celtic culture. From the Irish surname Ó Dubhthaigh, built on 'dubh' (dark, black) - descendant of the dark one.
The numerology number for Duffy is 9, reflecting the personality traits and characteristics associated with this name.
Origin : irish, celtic
Gender : boy
Numerology : 9
Syllables : 2
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Duffy reduces to the number 9, which is most often linked to compassion, humanitarianism, generosity. A person carrying this vibration tends to feel deeply for others - empathetic, idealistic, and drawn to causes or work that improves life for a wider community.
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Names starting with D
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