LAST NAME · 2020 CENSUS
Monaghan
Monaghan is the 4,466th most common last name in the United States. In the 2020 Census, 7,703 people carried it — about 2.6 of every 100,000 people. Most people named Monaghan are White.
WHO CARRIES THIS NAME · 2020
White93.1%
Multiracial2.7%
Hispanic2.6%
Asian American0.6%
Native American0.5%
Black0.5%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#4,661
7,461
2000
#4,315
7,613
2010
#4,452
7,968
2020
#4,466
7,703