How rare is the name Moira?

7,659 people in the United States have the first name Moira, about 1 in 39,435. It ranks #2,946 of 53,615 first names in the 2020 Census, tied with 1 other.

first name

MOIRA

#2,946

of 53,615 first names recorded in the 2020 Census

People
7,659
About
1 in 39,435
This common or more
81.3%
Who bears it

Of the 7,659 people named Moira, 84.9% reported their origin as White, 5.7% as Hispanic or Latino and 4.2% as two or more races. Virtually all are female (99.8%). These count how people described themselves on the 2020 Census, not where the name comes from.

Moira peaked in 1963, when 144 babies got the name.

Births per year, SSA records 1880–2025
19132025
Peak year
1963
Births that year
144
In 2025*
93 ▼35%
Recorded as
almost entirely female

At least 7,941 babies have been given the name since 1913. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Moira by decade

Among all names given to American babies, its best decade was the 1960s, when it ranked #1,636. The largest share of babies named Moira, 24.2%, were born between 1997 and 2012, as Generation Z.

1910s#9,75211
1920s#6,52669
1930s#3,694151
1940s#2,938256
1950s#1,805881
1960s#1,6361,199
1970s#2,441679
1980s#2,863654
1990s#2,6561,010
2000s#2,8961,215
2010s#3,1911,175
2020s#3,409641
Greatest Generation 1901–270.8%
Silent Generation 1928–453.6%
Baby boom 1946–6420.9%
Generation X 1965–8016.4%
Millennials 1981–9615.2%
Generation Z 1997–1224.2%
2013 and later18.9%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Moira is most common

Compared with all babies born in each state since 1910, Moira has been most common in Massachusetts (3.6×), New York (2.6×), and Illinois (2.3×), and least common in Florida (0.21×).

4,318 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Moira

1 other first name also has 7,659 people.

#2,946 Millicent · 7,659

Either side of Moira

#2,945 Forest · 7,663#2,946 Millicent · 7,659#2,948 Domenic · 7,645#2,949 Jerrod · 7,643

Spelled almost the same

2 first names in the 2020 Census spelled within a letter or two of Moira, most common first.

#12,842 Mora · 955#34,742 Moyra · 234

Compare