MallowbyNames

Jilian

JIL-ee-an · Of uncertain origin; likely a variant of Jillian, ultimately from Julian, meaning 'youthful' or 'downy-bearded'.

Peak popularity
1982
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Jilian since 1977

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

152944198020002020Most births 1982Girls
Data table (by decade)
DecadeGirls
1970s42
1980s268
1990s159
2000s296
2010s38
2020s0

Meaning & origin

Jilian is a modern English spelling variant of Jillian, which itself derives from the Roman name Julian. The name first appeared in U.S. birth records in 1977, during a period when creative spellings of traditional names gained popularity. Its peak usage came in 1982, though the name never reached the top 1000. In recent years, Jilian has maintained a stable but low usage, with fewer than 5 births annually as of 2025. The name's trajectory suggests it remains a rare but recognized choice, appealing to parents seeking a phonetic variant of a classic name without the common 'Jillian' spelling. While its meaning is debated, the name carries a sense of youthfulness through its Julian roots.

Jilian is a modern English spelling variant of Jillian, itself a feminine form of Julian. Julian derives from the Roman family name Julianus, which is based on Julius. The meaning is debated but often associated with the Latin 'iulus' meaning 'downy-bearded' or 'youthful'. The name has been used in English-speaking countries since the 20th century, with the Jilian spelling emerging as a simplified phonetic variant.

Nicknames & variants

Nicknames: Jill, Jilly, Jil

Variants: Jillian, Gillian

Sibling names for Jilian

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

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

J is for Jilian, our favorite little girl.

J is for Jilian…”

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

Make Jilian's book

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

Questions parents ask

What does the name Jilian mean?
Jilian is a variant of Jillian, ultimately from Julian, which is associated with the Latin word 'iulus' meaning 'downy-bearded' or 'youthful'. However, the exact meaning is uncertain.
How popular is the name Jilian?
Jilian has not ranked in the top 1000 names for girls in recent years. It peaked in 1982 but remains rare, with fewer than 5 births per year recorded recently.
Is Jilian a boy or girl name?
Jilian is almost exclusively used as a feminine given name.