Irish-Americans were the largest ancestry group in New Hampshire in 2010. Here is a list of the 50 biggest ancestries in the state:
Rank
|
Ancestry
|
New Hampshire Estimated Population
|
Percentage of Total Population
|
|
Total:
|
1,316,759
|
100.0%
|
1
|
Irish
|
282,668
|
21.5%
|
2
|
English
|
231,601
|
17.6%
|
3
|
French
(except Basque)
|
210,263
|
16.0%
|
4
|
Italian
|
135,514
|
10.3%
|
5
|
French
Canadian
|
111,280
|
8.5%
|
6
|
German
|
110,047
|
8.4%
|
7
|
American
|
71,147
|
5.4%
|
8
|
Scottish
|
57,787
|
4.4%
|
9
|
Polish
|
55,815
|
4.2%
|
10
|
Swedish
|
25,755
|
2.0%
|
11
|
Greek
|
21,002
|
1.6%
|
12
|
Portuguese
|
17,871
|
1.4%
|
13
|
Canadian
|
14,997
|
1.1%
|
14
|
Scotch-Irish
|
14,015
|
1.1%
|
15
|
Norwegian
|
12,585
|
1.0%
|
16
|
Dutch
|
11,894
|
0.9%
|
17
|
Russian
|
11,212
|
0.9%
|
18
|
European
|
10,389
|
0.8%
|
19
|
Lithuanian
|
8,422
|
0.6%
|
20
|
Welsh
|
8,399
|
0.6%
|
21
|
Finnish
|
8,350
|
0.6%
|
22
|
British
|
6,229
|
0.5%
|
23
|
Lebanese
|
4,763
|
0.4%
|
24
|
Swiss
|
3,572
|
0.3%
|
25
|
Ukrainian
|
3,559
|
0.3%
|
26
|
Armenian
|
3,506
|
0.3%
|
27
|
Czech
|
3,447
|
0.3%
|
28
|
Danish
|
3,294
|
0.3%
|
29
|
Hungarian
|
3,277
|
0.2%
|
30
|
Austrian
|
2,704
|
0.2%
|
31
|
Brazilian
|
2,583
|
0.2%
|
32
|
Scandinavian
|
2,220
|
0.2%
|
33
|
Belgian
|
1,527
|
0.1%
|
34
|
Slovak
|
1,505
|
0.1%
|
35
|
Czechoslovakian
|
1,251
|
0.1%
|
36
|
Jamaican
|
1,245
|
0.1%
|
37
|
Romanian
|
1,211
|
0.1%
|
38
|
African
|
1,195
|
0.1%
|
39
|
Yugoslavian
|
1,175
|
0.1%
|
40
|
Haitian
|
1,147
|
0.1%
|
41
|
Ghanaian
|
1,096
|
0.1%
|
42
|
Eastern
European
|
1,040
|
0.1%
|
43
|
Other
Subsaharan African
|
971
|
0.1%
|
44
|
Northern
European
|
829
|
0.1%
|
45
|
Syrian
|
824
|
0.1%
|
46
|
Zimbabwean
|
808
|
0.1%
|
47
|
Sudanese
|
583
|
0.0%
|
48
|
Cape
Verdean
|
534
|
0.0%
|
49
|
Albanian
|
529
|
0.0%
|
50
|
Australian
|
516
|
0.0%
|
Source: U.S. Census Bureau, 2010 American Community Survey
B04006 People Reporting Ancestry, 1 year estimates