Girls' name · since 2009

Kaylii

26 babies named Kaylii in U.S. Social Security records since 2009, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

26
total births
2009–2015
years on record
2010s
peak decade
69%
born in that decade

26 girls have been named Kaylii since 2009, though it isn't currently a top-ranked name.

Kaylii has 26 recorded births among girls since 2009, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2009 to 2015.

  • 26 total births
  • 2009–2015 years on record
  • 2010s peak decade
  • 69% born in that decade

Data updated Jul 2026

The verdict

26 girls have been named Kaylii since 2009, peaking in the 2010s, last recorded in 2015.

26
total births
2009–2015
years on record
2010s
peak decade
69%
born in that decade
2010s
Peak decade

69% of everyone ever named Kaylii was born in this single decade.

2009
Single peak year

8 babies were named Kaylii in 2009 - its busiest year on record.

Kaylii's usage pattern, beyond the headline number

Splitting Kaylii's full recorded timeline at 2014, 46% of its total births fall in the more recent half of the record versus 54% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2014, with just 5 recorded births -- worth weighing against the 2009 peak of 8 to see the full range of the name's swing in popularity.

Kaylii at a glance

Last recorded 2015

Total births

26

Since 2009

7 years of records

Peak year

2009

8 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2015

Active since

2009

Recorded for 7 years

Last year on file: 2015

Kaylii popularity over time

Annual U.S. births registered with the Social Security Administration · 2009–2015

Last recorded 2015
Peak year (2009)
8
Annual births at peak, across 7 years of records
456789 2009201120142015 7

Kaylii by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Kaylii's strongest decade.

18 babies received the name during that ten-year window, about 69% of all-time use.

Kaylii births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 18 births (69% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Kaylii?
Kaylii has been given to 26 babies in the U.S. since 2009, according to SSA data. Its last appearance in the data was 2015. 8 babies were born in 2009, its single highest year.
When was Kaylii most popular?
Kaylii was most popular in the 2010s decade with 18 total births. The single peak year was 2009.
How long has the name Kaylii been used?
The SSA has tracked Kaylii since 2009 -- 7 years through the most recent 2015 data.
What names are similar to Kaylii?
Names with a similar sound or spelling include Kayla, Kaylee, Kay, Kayleigh, and 4 more. These share a common prefix and are also used for girls.

Data Sources

Data as of July 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2009–2015 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Kaylii: Baby Name Since 2009 - 26 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/kaylii. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kaylii draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.