LAST NAME · 2020 CENSUS
Monahan
Monahan is the 2,435th most common last name in the United States. In the 2020 Census, 14,509 people carried it — about 4.9 of every 100,000 people. Most people named Monahan are White.
WHO CARRIES THIS NAME · 2020
White92.1%
Hispanic3.9%
Multiracial2.6%
Asian American0.8%
Black0.4%
Native American0.3%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#2,411
12,435
2000
#2,213
15,058
2010
#2,347
15,533
2020
#2,435
14,509