LAST NAME · 2020 CENSUS
Tiernan
Tiernan is the 12,570th most common last name in the United States. In the 2020 Census, 2,351 people carried it, about 0.8 of every 100,000 people. Most people named Tiernan are White.
WHO CARRIES THIS NAME · 2020
White93.1%
Hispanic4.0%
Multiracial1.9%
Asian American0.6%
Black0.4%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#14,734
2,487
2000
#11,981
2,392
2010
#12,204
2,552
2020
#12,570
2,351