Unisex name · since 2009
Knightley
Since 2009, U.S. Social Security records show 107 babies named Knightley, peaking in 2021. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #26,397 of 72,339
- all-time among girls
- #16,325 of 17,297
- 2025 SSA year
- 107
- born since 2009
- 2020s
- peak decade
Yes -- Knightley is the #16325 most popular unisex name in the U.S. today, with 107 recorded since 2009.
According to the U.S. Social Security Administration, Knightley has been recorded 107 times among girls since 2009, currently ranked #16325 nationally and more common than 6% of girls, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2009 to 2025.
- #26,397 of 72,339 all-time among girls
- #16,325 of 17,297 2025 SSA year
- 107 born since 2009
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Knightley ranks #26,397 of 72,339 girls' names by all-time recorded births (highest first) and #16,325 of 17,297 among girls' names in 2025. 107 born since 2009, peaking in the 2020s.
- #26,397 of 72,339
- all-time among girls
- #16,325 of 17,297
- 2025 SSA year
- 107
- born since 2009
- 2020s
- peak decade
Knightley's 107 recorded births place it above 63.44% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
How Knightley compares
107 26th percentile among 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Knightley's all-time total is 72% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Knightley | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 107 | 376 | 567,345 |
| Peak-year births | 13 | 21 | 19,840 |
Knightley's usage pattern, beyond the headline number
Divide Knightley's SSA record in two at 2019 and the more recent half accounts for 57% of all births, the earlier half the remaining 43%, a genuinely balanced usage pattern. Its calmest year was 2025, with only 5 births recorded -- set against the 2021 peak of 13, that's the full swing in one name's fortunes.
Knightley popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 2009–2025
- Peak year (2021)
- 13
- Annual births at peak, across 17 years of records
Knightley popularity over time - boys
33 total births recorded since 2012 (Knightley as boys' name)
Knightley by decade
2020s is the heaviest window (52 births, 49% of the file).
2020s was Knightley's strongest decade.
52 babies received the name during that ten-year window, about 49% of all-time use.
Knightley births by decade
Total births in each ten-year window
- 2000s 6
2000s
6 births
- 2010s
2010s
49 births
- 2020s
2020s
52 births
What this shows Peak: 2020s at 52 births (49% of all-time use).
Frequently Asked Questions
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Keep exploring Knightley
Nearby Names Like Knightley
Names with a similar sound, spelling, or feel to Knightley
Compare Knightley side by side: Knightley vs Kniyah Knightley vs Kniya Knightley vs Knightly
Related Names
Names with a similar popularity rank to Knightley
Nationwide names with similar peak year or record span
Two nationwide peer axes for Knightley: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2021)
Similar record span (~16 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 2009–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Knightley 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 August 2026.