Girls' name · peaked in 2025

Sienna name popularity since 1925

39,887 babies born in the US from 1925 to 2025 were named Sienna. Half of them were born in 2014 or earlier, so the typical Sienna is about 12 years old in 2026. Sienna peaked in 2025 as the #94 name for girls, and it ranked #94 in 2025.

Key facts

US babies since 1925
39,887
Named Sienna, 1925–2025
Peak year
2025
#94 for girls that year
Typical age
About 12
Median birth year 2014
In 2025
#94
for girls in 2025 (2,659 babies)
Girls / boys
100.0% girls
39,877 girls · 10 boys
Most popular in
Nevada
2.62× its national share

Peak year is the year Sienna made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Sienna births per year, 1925–2025

Babies named Sienna per year, 1925–2025

2025 was the biggest year for Sienna both by count and as a share of all babies.

  • Fastest rise: Between 2001 and 2006, Sienna became 5.4× more common, from 1 in 5,140 baby girls to 1 in 956.

Shaded on the chart. This compares Sienna's share of all US girls five years apart, counting only years with at least 100 babies named Sienna.

Decade by decade

Babies named Sienna in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 00 –
1930s 00 Under 5
1940s 00 Under 5
1950s 00 Under 5
1960s 160 Under 5
1970s 1020 #6,390
1980s 3050 #2,479
1990s 2,1510 #974
2000s 10,6855 #299
2010s 14,1365 #230
2020–25 12,4820 #94

Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.

Generation fingerprint

56.2% of babies named Sienna from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:

Sienna by generation Gen X born 1965–80 0.4% Millennials born 1981–96 3.0% Gen Z born 1997–2012 40.4% Gen Alpha born 2013–25 56.2%

Where Sienna is most popular

The index compares Sienna's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Sienna.

StateIndexBabies
Nevada2.62×362
Arizona2.49×1,249
Utah2.20×727
Florida1.78×2,496
New Jersey1.78×1,898

Other spellings

Spellings that sound like Sienna and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.

SpellingGirlsPeak year
Sienna (this page) 39,877 2025
Siena 11,070 2025

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Sienna's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Sienna.

Names from the same era

Other common names that peaked within two years of Sienna (2025).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data