Zo

#13,208 for girls in 2025, 6 births · #9,714 for boys in 2025, 7 births
Given to girls 75.4% of the time

Showing
Show data for
Peak · girls
2017 · 40 births
Debut · girls
6 births
In top 100 · girls
never
of 146 years
Total births · girls
310
since 1957

Zo over time

girlsboys

Rank within each sex, plotted together. Click any year to open it.

#1#10#100#1,000#10,000rank188019001920194019601980200020202019peak #3,769, 2017girlsboysat peak
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025#13,2086#9,7147
2024#11,1228#12,3495
2023#6,92216#5,66616
2022#5,02826#5,63316
2021#5,09125#9,7147
2020#3,84137#7,50210
2019#4,16234#8,2159
2018#5,00726#10,7606
2017#3,76940#8,1409
2016#6,66318#10,7446
2015#8,00814—
2014#9,51711#12,1085
2013#11,9698—
2012#10,42910—
2011#14,8246—
2010#14,9596—
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2005#13,0107—
2004#14,1796—
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First appearance
1957

The first year at least five girls were named Zo! It came in at #5,377, and was given to 6 baby girls.


Quietest stretch: 1958–2003, when fewer than 5 girls a year got the name.

Where Zo is popular in 2019

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 girls named Zo, so not publishedAKMaine: fewer than 5 girls named Zo, so not publishedMEVermont: fewer than 5 girls named Zo, so not publishedVTNew Hampshire: fewer than 5 girls named Zo, so not publishedNHWashington: fewer than 5 girls named Zo, so not publishedWAIdaho: fewer than 5 girls named Zo, so not publishedIDMontana: fewer than 5 girls named Zo, so not publishedMTNorth Dakota: fewer than 5 girls named Zo, so not publishedNDMinnesota: fewer than 5 girls named Zo, so not publishedMNIllinois: fewer than 5 girls named Zo, so not publishedILWisconsin: fewer than 5 girls named Zo, so not publishedWIMichigan: fewer than 5 girls named Zo, so not publishedMINew York: fewer than 5 girls named Zo, so not publishedNYMassachusetts: fewer than 5 girls named Zo, so not publishedMARhode Island: fewer than 5 girls named Zo, so not publishedRIOregon: fewer than 5 girls named Zo, so not publishedORNevada: fewer than 5 girls named Zo, so not publishedNVWyoming: fewer than 5 girls named Zo, so not publishedWYSouth Dakota: fewer than 5 girls named Zo, so not publishedSDIowa: fewer than 5 girls named Zo, so not publishedIAIndiana: fewer than 5 girls named Zo, so not publishedINOhio: fewer than 5 girls named Zo, so not publishedOHPennsylvania: fewer than 5 girls named Zo, so not publishedPANew Jersey: fewer than 5 girls named Zo, so not publishedNJConnecticut: fewer than 5 girls named Zo, so not publishedCTCalifornia: fewer than 5 girls named Zo, so not publishedCAUtah: fewer than 5 girls named Zo, so not publishedUTColorado: fewer than 5 girls named Zo, so not publishedCONebraska: fewer than 5 girls named Zo, so not publishedNEMissouri: fewer than 5 girls named Zo, so not publishedMOKentucky: fewer than 5 girls named Zo, so not publishedKYWest Virginia: fewer than 5 girls named Zo, so not publishedWVVirginia: fewer than 5 girls named Zo, so not publishedVAMaryland: fewer than 5 girls named Zo, so not publishedMDDelaware: fewer than 5 girls named Zo, so not publishedDEArizona: #449 for girls · 15 births · 1 in 1,908 girlsAZNew Mexico: fewer than 5 girls named Zo, so not publishedNMKansas: fewer than 5 girls named Zo, so not publishedKSArkansas: fewer than 5 girls named Zo, so not publishedARTennessee: fewer than 5 girls named Zo, so not publishedTNNorth Carolina: fewer than 5 girls named Zo, so not publishedNCSouth Carolina: #451 for girls · 10 births · 1 in 1,770 girlsSCDistrict of Columbia: fewer than 5 girls named Zo, so not publishedDCOklahoma: fewer than 5 girls named Zo, so not publishedOKLouisiana: fewer than 5 girls named Zo, so not publishedLAMississippi: fewer than 5 girls named Zo, so not publishedMSAlabama: fewer than 5 girls named Zo, so not publishedALGeorgia: fewer than 5 girls named Zo, so not publishedGAHawaii: fewer than 5 girls named Zo, so not publishedHITexas: fewer than 5 girls named Zo, so not publishedTXFlorida: fewer than 5 girls named Zo, so not publishedFL

Hover or tap a state for its numbers.

Top states · girls
  1. Arizona#449 · 1 in 1,908
  2. South Carolina#451 · 1 in 1,770

Best ever in a state: #292 in Arizona, 2020.

Show every state
StateRankBirthsShare
Arizona#449151 in 1,908
South Carolina#451101 in 1,770
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Ranks are within each state; “1 in N” is out of the girls born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.

See more about Zo
Momentum · girls
Falling
  • 2,086 spots since 2024 (#11,122 → #13,208)
  • 9,367 spots since 2020 (#3,841 → #13,208)
  • 5,200 spots since 2015 (#8,008 → #13,208)
Rise & fade · girls
60 yrs to peak
  • Debuted 1957
  • Peaked 2017 at #3,769 (40 births)
  • Births halved by 2023, 6 yrs later
Top of the charts · girls
Never in the top 1,000
  • Top 10: never
  • Top 100: never
  • Top 1,000: never
Share of babies · girls
1 in 43,162
  • Highest: 1 in 43,162 girls born in 2017 were named Zo (0.00%)
  • Latest: 1 in 267,878 girls born in 2025 (0.00%)
Era · girls
The 2010s
  • 55.8% of all girls named Zo (173) were born in this decade
Girls or boys?
Flipped in 2025
  • Mostly girls until 2024, mostly boys since
all girlsall boys
Show by decade
DecadeBirthsBest rankAvg rank
1950s6#5,377 (1957)#5,377
1960s0——
1970s0——
1980s0——
1990s0——
2000s13#13,010 (2005)#13,595
2010s173#3,769 (2017)#8,931
2020s118#3,841 (2020)#7,535

All figures count published births only (names given to at least 5 girls in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Zo in 2019

girls
#4,162
34 births · 1 in 49,364 girls
boys
#8,215
9 births · 1 in 199,357 boys

Top girls' names in 2019

  1. #1Olivia18,577
  2. #2Emma17,226
  3. #3Ava14,549
  4. #4Sophia13,821
  5. #5Isabella13,407
  6. #6Charlotte13,239
  7. #7Amelia12,944
  8. #8Mia12,508
  9. #9Harper10,497
  10. #10Evelyn10,443
  11. #4,162Zo34

Top boys' names in 2019

  1. #1Liam20,631
  2. #2Noah19,178
  3. #3Oliver13,967
  4. #4William13,658
  5. #5Elijah13,436
  6. #6James13,198
  7. #7Benjamin13,044
  8. #8Lucas12,483
  9. #9Mason11,484
  10. #10Alexander11,327
  11. #8,215Zo9
More about 2019

girls

1,678,366 girls got a published name in 2019; 1 in 49,364 of them was named Zo, which outranked 76.9% of the 18,024 girls' names that year. The ten most popular names covered 8.2% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Zo
  1. #4,072Zaia35
  2. #4,072Zaiya35
  3. #4,072Zianna35
  4. #4,162Zo34
  5. #4,162Aayat34
  6. #4,162Adelita34
  7. #4,162Adhara34
  8. #4,260Aayla33
  9. #4,260Adaley33
  10. #4,260Addeline33

Tied with 97 names at #4,162; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2018
Risers
  1. ↑ 1,081Amoura#2,059 → #978
  2. ↑ 553Theodora#1,406 → #853
  3. ↑ 456Navy#1,269 → #813
  4. ↑ 415Emani#1,371 → #956
  5. ↑ 403Yaritza#1,216 → #813
Fallers
  1. ↓ 451Emmarie#990 → #1,441
  2. ↓ 368Saniyah#934 → #1,302
  3. ↓ 252Tatiana#692 → #944
  4. ↓ 229Zhavia#879 → #1,108
  5. ↓ 219Jayden#979 → #1,198

Among names in the top 1,000 of either year.

boys

1,794,216 boys got a published name in 2019; 1 in 199,357 of them was named Zo, which outranked 41.9% of the 14,133 boys' names that year. The ten most popular names covered 7.9% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Zo
  1. #7,643Zykeem10
  2. #7,643Zylas10
  3. #7,643Zyree10
  4. #8,215Zo9
  5. #8,215Aahaan9
  6. #8,215Aarian9
  7. #8,215Aavash9
  8. #8,889Aakil8
  9. #8,889Aarik8
  10. #8,889Aarohan8

Tied with 673 names at #8,215; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2018
Risers
  1. ↑ 5,830Sekani#6,703 → #873
  2. ↑ 5,230Ermias#5,770 → #540
  3. ↑ 654Amias#1,478 → #824
  4. ↑ 623Kyro#1,343 → #720
  5. ↑ 512Aziel#1,465 → #953
Fallers
  1. ↓ 376Jaxtyn#776 → #1,152
  2. ↓ 252Brysen#860 → #1,112
  3. ↓ 220Coen#814 → #1,034
  4. ↓ 219Chad#899 → #1,118
  5. ↓ 219Imran#933 → #1,152

Among names in the top 1,000 of either year.

See the top 100 for 2019 →