Hilary Girl

How popular is Hilary?

#5,237 girl name in 2025

24 baby girls were named Hilary in the US in 2025, making it the 5237th most popular girl name.

Compare with other names
23,671living people named Hilary (est.)
42median age of people named Hilary
26,368babies named Hilary since 1880
1 in 138,139US babies born in 2025

Hilary popularity over time

07501,500 18801900192019401960198020002020

Boys Girls

Rank in 2025#5,237 for girls (▼ 1275 from 2024)
Babies in 202524 girls
10-year trendFalling fast (-57% babies vs 2015)
Earlier ranks#3,024 in 2015, #5,483 in 2020
Peak year1990 (1,217 girls)
Highest rank#232 in 1990
First recorded1914
Boys vs girls (last 10 years)2% boys, 98% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Hilary counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Hillary family of names ranked #1,660 for girls in 2025 (#1,423 the year before), with 91 babies in all.

SpellingGirls in 2025Share
Hillary 67 74%
Hilary 24 26%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Hilary is most popular

Babies named Hilary per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Louisiana: 0.1 per 1,000 (5 girls)
  2. Texas: 0.0 per 1,000 (28 girls)
  3. California: 0.0 per 1,000 (17 girls)
  4. New York: 0.0 per 1,000 (5 girls)

Hilary by decade

DecadeBaby girlsBest rank
1910s20#3,217
1920s38#3,559
1930s77#2,447
1940s424#962
1950s1,289#757
1960s2,411#527
1970s4,951#275
1980s8,337#244
1990s4,553#232
2000s1,362#1,085
2010s501#2,346
2020s208#2,823

Girl names about as popular as Hilary

Questions

Is Hilary a boy or girl name?
Hilary is mostly a girl name. Over the last 10 years, 98% of babies named Hilary were girls.
How popular is the name Hilary?
24 baby girls were named Hilary in the US in 2025, making it the 5237th most popular girl name.
When was Hilary most popular?
Hilary peaked in 1990, when 1,217 girls were given the name. Its highest rank was #232 in 1990.
How many people are named Hilary?
26,368 babies have been named Hilary in the US since 1880. We estimate about 23,671 of them are alive in 2026, with a median age of 42.
Where is Hilary most popular?
From 2021 to 2025, Hilary was most common in Louisiana, at 0.1 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.