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- Duffy - Last Name Meaning & Origin
Duffy
- Used in: 3 countries
Origin: Irish
From the Irish surname, from Ó Dubhthaigh (literally “descendant of Dubhthach”) and Mac Duibhshíthe (literally “son of Duibhshíth”), from dubh (“black”) + sìth (“peace”), comparable to the surname Duff.
Etymology: Wiktionary (CC-BY-SA)
Name Variants & Related
Popularity by Country
Duffy
Rank #187
Frequency
0.04% of population
Popularity Over Time (Scotland)
Duffy
Rank #827
Frequency
37,962 people (14.07 per 100k)
Ethnic Distribution
White 92.13% Hispanic 1.5% Black 4.13% Asian/PI 0.62% Native Am. 0.47% Two+ 1.16%
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