AgeName

How old is someone named Hilary?

The average Hilary is 44 years old.

Half of all living Hilarys are between 36 and 51.

Estimated alive
23.4K
Median age
42
Peak year
1990
Mostly
Millennials

Hilary had one big moment, peaking in 1990. 52% of the babies ever named Hilary arrived in a single 15-year stretch.

Popular names of 1990 · The most popular names of the 1990s →

Show the numbers by decade
Babies named Hilary by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s360
1910s3110
1920s4660
1930s403under 100
1940s732390
1950s1,6141,200
1960s2,5772,300
1970s5,0834,800
1980s8,4488,200
1990s4,5784,500
2000s1,3621,300
2010s506500
2020s208210

How many Hilarys are still alive?

About 23,000 Hilarys are alive in the US today. That's 89% of the roughly 26,000 babies named Hilary since 1882.

Most Hilarys ever born are still alive.

What generation is the name Hilary?

About half of living Hilarys are Millennials, born between 1981 and 1996.

See all Millennial names →

Is Hilary an old name?

Somewhat. Hilary is older than 71 in 100 names on AgeByName, but younger than plenty of classics.

Names that sound old →

Is Hilary a boy or girl name?

Mostly girls: 96.7% of living Hilarys are women.

Names the same age as Hilary

NAME TWIN

Hilary's name twin is Laquita. Of all 3,713 names on AgeByName, Laquita's age curve is the closest match to Hilary's: 84% alike.

Other spellings: Hillary (38)

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Questions about the name Hilary

How old is the average Hilary?

The average Hilary in the US is 44 years old. The median is 42, so half are older and half younger.

How many people are named Hilary?

About 23,000 Hilarys are alive in the US today, out of roughly 26,000 babies given the name since 1882.

When was the name Hilary most popular?

In 1990, when about 1,200 baby girls were named Hilary.

Is Hilary a Millennial name?

Partly. Millennials are the largest group, about 50% of living Hilarys, but the name spans several generations.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this