MallowbyNames

Hilliary

HIL-uh-ree · Of uncertain origin; likely a modern respelling of Hilary or Hillary, possibly influenced by the word "hilly".

Peak popularity
1991
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Hilliary since 1971

Babies named Hilliary per year in U.S. Social Security records.

112132198020002020Most births 1991Girls
Data table (by decade)
DecadeGirls
1970s45
1980s128
1990s130
2000s0
2010s0
2020s0

Meaning & origin

Hilliary is a modern respelling of the more familiar Hillary, first recorded in the United States in 1971. The name experienced a modest peak in 1991, but it has not appeared in the nationwide top 1000 in any year. While its exact origin is unclear, it likely draws from the Latin root "hilarius" (cheerful) combined with a phonetic spelling reflecting the pronunciation "HIL-uh-ree." Unusually, the data shows that the name has maintained a stable trajectory in recent years, appearing very infrequently despite its peak decades ago. This rarity means that Hilliary has a ratio of approximately 1 in every 1 million girls in recent years, making it an unconventional choice. Without a record of top states or strong regional clustering, Hilliary remains a scattered and idiosyncratic name, likely chosen for its similarity to the better-known Hillary without being identical.

Hilliary is a modern respelling of the name Hilary, which derives from the Latin "hilarius" meaning "cheerful." The variant "Hilliary" emerged in the late 20th century, perhaps as a creative spelling influenced by the word "hill" or as a feminization of the traditional form. Its usage peaked in 1991 but has remained rare overall.

Nicknames & variants

Nicknames: Hil, Lary, Hilly

Variants: Hilary, Hillary, Hillari

Sibling names for Hilliary

Names that share Hilliary's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

H is for Hilliary, our favorite little girl.

H is for Hilliary…”

In a Mallowby alphabet book, Hilliary's letter becomes Hilliary's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Hilliary's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Hilliary mean?
The meaning is uncertain; it is likely a phonetic respelling of Hilary, which traditionally means "cheerful" in Latin.
How popular is the name Hilliary?
Hilliary has never ranked in the U.S. top 1000. Its peak usage was in 1991, and it has remained very rare since.
Is Hilliary a boy or girl name?
Hilliary is almost exclusively used for girls, following the trend of Hillary as a feminine name.