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Deirdre

Girls’ name Recorded 1921-2025

Deirdre was given to 13 girls in 2025, #7,987 among girls’ names; 16,845 Americans have been recorded with it since 1921 (Social Security Administration, published May 2026).

An estimated 14,800 Americans named Deirdre and born in the U.S. are alive in 2026 (88% of everyone recorded); the median is 57 years old and half are between 45 and 64.

Babies named Deirdre each year, first recorded in 1921
Deirdre, 1920-2025; highest in 1961.2004006008001920194019601980200020251961 peak: 799
Deirdre, 1920-2025; highest in 1961.2004006008001920194019601980200020251961 peak: 799
Deirdre, 1920-2025; highest in 1961.2004006008001920194019601980200020251961 peak: 799
Deirdre, 1920-2025; highest in 1961.200400600800192019451970199520251961 peak: 799

Girls and boys together; gaps are years SSA did not record (fewer than 5 births).

Births of Deirdre by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.

What does Deirdre mean?

Wiktionary, English section

Deirdre is “a female given name from Irish.”

From Irish Deirdre, from Old Irish Derdriu.

/ˈdɪɹdɹə/

From Wiktionary, the free dictionary, entry Deirdre (English), CC BY‑SA 4.0. Quoted from the entry; text after a cross-reference to another sense is left out.

Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).

How popular is Deirdre?

#7,987 among girls’ names, 2025

Deirdre fell from #5,019 in 2015 to #7,987 in 2025 among girls’ names; its share of girls born fell from 15.1 to 8.1 per million.

799 babies in 1961, the peak

Deirdre peaked in 1961, when 799 girls were given it, #333 among girls’ names. The 13 births of 2025 are 2% of that peak.

Deirdre by year
YearBirthsRankPer 1,000 girls
202513#7,9870.01
202410#9,7170.01
202318#6,4790.01
202211#9,1980.01
202117#6,7580.01
202016#7,0040.01
201917#6,7900.01
201815#7,4830.01
201713#8,4000.01
201620#6,2340.01
Every recorded year (103)
YearBirthsRankPer 1,000 girls
201527#5,0190.02
201424#5,5140.01
201321#6,0710.01
201220#6,4000.01
201122#5,9860.01
201027#5,1410.02
200937#4,1230.02
200829#5,0440.02
200744#3,6650.02
200642#3,6870.02
200552#3,0610.03
200470#2,4260.04
200358#2,7130.03
200259#2,6060.03
200171#2,2630.04
200082#2,0160.05
199994#1,7210.05
199880#1,9020.05
199775#1,9300.04
1996109#1,4910.06
1995114#1,4250.06
1994112#1,4250.06
1993140#1,2370.08
1992134#1,2750.07
1991162#1,1050.09
1990186#9880.10
1989175#9840.09
1988177#9500.10
1987212#8220.12
1986188#8810.11
1985191#8480.11
1984183#8410.11
1983206#7750.12
1982265#6700.16
1981211#7750.13
1980241#7050.15
1979208#7720.13
1978207#7490.14
1977229#6840.15
1976268#5980.18
1975258#6120.18
1974303#5530.21
1973319#5260.22
1972354#4990.23
1971454#4530.27
1970523#4240.30
1969631#3690.37
1968563#3870.34
1967508#4120.31
1966562#3830.33
1965544#4000.31
1964723#3510.38
1963678#3710.35
1962747#3470.38
1961799#3330.40
1960566#4020.28
1959378#5010.19
1958271#6030.13
1957300#5510.15
1956275#5660.14
1955207#6460.11
1954186#6880.10
1953181#6660.10
1952194#6360.10
1951137#7490.08
1950145#7100.08
1949129#7570.08
1948142#7000.08
1947150#6890.08
1946121#7410.08
194578#8510.06
194467#9470.05
194329#1,5620.02
194237#1,3260.03
194137#1,2450.03
194032#1,3190.03
193915#2,1440.01
193817#1,9630.02
193717#1,9360.02
193617#1,8930.02
193528#1,3860.03
193412#2,4490.01
193312#2,4300.01
193217#1,9690.02
193117#1,9600.02
193015#2,2180.01
19295#4,724under 0.01
192810#2,9910.01
19276#4,4120.01
19268#3,6380.01
19255#5,141under 0.01
19248#3,7330.01
19216#4,593under 0.01

Download Deirdre’s births by year (CSV)

Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.

Is Deirdre a boy’s or a girl’s name?

Deirdre has been recorded only for girls: SSA lists no boys with the name in 103 years of records (it lists a name only in years with 5 or more babies of a sex).

Girls and boys named Deirdre: the SSA national file counts each sex separately.

How many people are named Deirdre, and how old are they?

14,800 alive in 2026, estimated

That is 88% of the 16,845 Americans ever recorded as Deirdre. The median Deirdre alive today is 57 years old; half are between 45 and 64.

The 2020 Census counted 15,807 people named Deirdre (15,788 women and girls, 19 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 15,309 born in the U.S. The Census count is 3% above that prediction.

Alive today, by age

90-9922
80-89236
70-791,300
60-694,790
50-59 (median)3,850
40-492,040
30-391,490
20-29674
10-19269
0-9129

Alive today, by generation

By generation
GenerationBornAlive
Silent Generation1928-1945184
Baby Boomers1946-19645,180
Generation X1965-19805,680
Millennials1981-19962,680
Generation Z1997-2012852
Generation Alpha2013-2025221

An estimate, not a count. SSA’s files count people born in the United States who received a Social Security number, so anyone born abroad is not in them; before 1937 most people got a number as adults, and their survival is counted from that age.

Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).

Where are babies named Deirdre born?

The states with the most babies named Deirdre are New York, California and Massachusetts, with 47% of its births recorded by state since 1910; Massachusetts is not among the ten states with the most births.

States with the most births: girls and boys together; rank among girls’ names in the state in 2025
StateSince 1910Rank, girlsvs. national
New York3,837not ranked2.8×
California1,300not ranked0.8×
Massachusetts1,173not ranked2.5×
New Jersey948not ranked1.8×
Pennsylvania794not ranked0.9×
Illinois745not ranked0.8×
Texas481not ranked0.4×
Ohio447not ranked0.5×
Connecticut441not ranked1.9×
Louisiana352not ranked1.0×

Where Deirdre is more common than its national share predicts

Relative to its national share, Deirdre is most over-represented in New York: since 1921 it was given 2.8 times as often there as its national share each year would predict.

New York2.78×

Bars start at 1× (as often as the national share predicts).

States: SSA state file, 1910-2025, published May 8, 2026; births count girls and boys together, and the rank is among girls’ names in the state in 2025. The file leaves out any state and year with fewer than 5 babies of the name, so small states are undercounted; each ratio compares the state’s births of Deirdre with the births its national share predicts year by year, for states with at least 100 births of the name.

Names spelled alike

Of these 4 names spelled alike, given to 19,241 babies since 1880, Deirdre is the most given (88% of them).

Deirdre and the names spelled alike
NameSince 1880Births 2025Peak year
Deirdre16,845131961
Deirdra1,172under 51961
Dierdre1,115under 51961
Deardra109under 51961

Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.

Names that rose and fell in the same decades as Deirdre

Names whose births rose and fell across the same decades, measured on each decade’s share of births.

NameRecorded1920-2025
Dierdre1,115
Janine33,519
Deadra1,106
Yvette64,233
Tamra13,715
Jeanmarie2,320

Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.

More about Deirdre and names like it

  1. Compare Deirdre and DeirdraBirths, ranks, peak and the living estimate side by side.
  2. The most given names of the 1960sDeirdre peaked in 1961.
  3. New York’s most given namesThe state where SSA recorded the most babies named Deirdre since 1910.
  4. Irish namesWiktionary’s origin for Deirdre: every such name, by how often it is given.
  5. The top names of 1961The year the most babies were named Deirdre.
  6. The names of Generation XMost people named Deirdre alive today were born 1965-1980.
  7. Names starting with DMost given first.

Compare Deirdre with another name