Lilliah

#14,203 in 2025Girls' name

Meaning not yet documented

Lilliah has been given to 193 babies in the U.S. since 1999. In 2025 it ranked #14,203 of 17,293 girls’ names in use. Its peak year was 2014, with 15 recorded.

Babies named Lilliah, 2025

1 in 553,000

Lilliah over time, 1880–2025

Girls
05101518801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Lilliah?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 553,000
6 of 3,315,165 births
Among girls only
1 in 268,000
<0.01% of girls
Rank, 2025
#14,203
of 17,293 girls’ names in use
Coin-flip room size
382,984 kids
Even odds of a second one

Where Lilliah sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 382,984 children born in 2025 and it's an even bet that one of them is another Lilliah. In a class of 30 the chance is Under 1%.

When Lilliahs were born

Half of everyone ever recorded as Lilliah was born before 2013 — so the typical Lilliah is around 12 today.

Median birth year
2013
About 12 years old
Biggest decade
2010s
53.9% of all use
Born in the last 25 years
96.9%
A modern name
Recorded since 1950
193
People you could plausibly meet
Choose a decade

2010s — 53.9% of all recorded uses (104).

Is Lilliah rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
−1,290
Places dropped
Rank vs 10 years ago
−1,708
Places dropped
Births vs 10 years ago
0.75×
Fewer babies than then
Share of its own peak
40.0%
Peak was 2014 (15)
Years since peak
11
Years
Year-to-year steadiness
Volatile
28.5% average annual change
Best rank ever
#7,909
2014

Spellings of Lilliah

Lilliah is not the most common spelling — Lillian is, with 54.7% against Lilliah's 0.02%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Lilliah around the world

Where Lilliah ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2006–2025
    #5,927
    in 2025
  • South Australia
    2013–2013
    #818
    in 2013

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Lilliah by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#14,203
Trend vs 5 yrs ago
Down 1,290
Best rank ever
#7,909
2014
Peak year
2014
15 that year
First recorded
1999
Last recorded
2025
All-time count
193
Count in 2025
6

Names similar to Lilliah

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sibling names for Lilliah

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Lilliah