Surname Dubhghaill (Dubhghaill 
) , all around the world, is a very rare cognomen. The last name Dubhghaill is habitual in Northern Europe, particularly Ireland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dubhghaill | Ireland |
| seumas ó dubhghaill Irish activitist and politician, IE (b. 1885) |
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mícheál mac dubhghaill Irish politician and lawyer, IE (b. 1951) |
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| aodán ó dubhghaill Irish radio broadcaster, IE |
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