Kersti

Girls' name

Variant of Kerstin

Kersti has been given to 62 babies in the U.S. since 1969. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1990, with 18 recorded.

Babies named Kersti, 1994

1 in 743,000

Kersti over time, 1880–2025

Girls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Kersti: meaning, origin, and history

Variant of Kerstin

Deeper origin not confirmed in the cited records

What Kersti means

Kersti is a variant of Kerstin.

Documented naming usage and pronunciation

Kersti is used in Swedish and Estonian.

Another recorded pronunciation is /ˈkersʲ.sʲtʲi/ for Kersti.

Meaning behind the documented name family

The name developed through Kersti → Kerstin → Kerstin → Kristina → Christina → Chrīstiāna. The family’s meaning is “a Christian person, a Christian”, recorded in Latin with the source elements Christianus.

Origin, language, and formation

Kersti is used in Estonian.

Related names and everyday forms

Related names include Kerstin and Kristiina.

American usage and historical context

In the United States, 62 girls were recorded with the name Kersti between 1969 and 1994. Its highest annual count was 18 in 1990; its best national rank was #5,166 in 1990.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Kersti?

Kersti had fewer than 5 recorded uses in 2025, so these figures use 1994, the last year it was published.

Among all babies, 1994: 1 in 743,000; 5 of 3,715,972 births
Among girls only: 1 in 357,000; <0.01% of girls
Rank, 1994: Unranked; Fewer than 5 uses
Coin-flip room size: 515,144 kids; Even odds of a second one

Where Kersti 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 1994 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 515,144 children born in 1994 and it's an even bet that one of them is another Kersti. In a class of 30 the chance is Under 1%.

When Kerstis were born

Half of everyone ever recorded as Kersti was born before 1990 — so the typical Kersti is around 35 today.

Median birth year: 1990; About 35 years old
Biggest decade: 1990s; 58.1% of all use
Born in the last 25 years: 88.7%; A modern name
Recorded since 1950: 62; People you could plausibly meet

Choose a decade

1990s — 58.1% of all recorded uses (36).

Is Kersti 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: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 1990 (18)
Years since peak: 35; Years
Year-to-year steadiness: Volatile; 71.3% average annual change
Best rank ever: #5,166; 1990

Spellings of Kersti

Kersti is not the most common spelling — Kristi is, with 42.0% against Kersti's 0.03%.

Kristi42.0%76,484
Kerri20.3%37,021
Keri17.6%32,061
Kelsi5.6%10,151
Kirstin4.8%8,778
Kirstie2.3%4,151
Kierstin1.8%3,270
Kerstin1.4%2,537

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.

Kersti around the world

Where Kersti 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.

South Australia
1990–1990
#691
in 1990

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Kersti by the numbers

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

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #5,166; 1990
Peak year: 1990; 18 that year
First recorded: 1969
Last recorded: 1994
All-time count: 62
Count in 2025: Under 5

Names similar to Kersti

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

Kerisa Kersey Kerris Kerly Kerena Onesti Kersha Keryl Kermit Kerston Kerstie Keris Kerian Keron Hasti Kerlyn Kerbi Kerria Kerrah Kerryn Kerith Kerma Kerbie Kerline

Sibling names for Kersti

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

For a sister

Mai Shante Jessika Brittni Stefani Yessenia Alesha Chantal

For a brother

Laron Dejuan Antwon Akeem Tyron Shay Elizabeth Bradly

Explore around Kersti

Top names of 1990, Kersti's peak year The 1990s in full Other names that peaked in 1990 Girls' names starting with K Estonian Girl Names