Keymarion
Keymarion was last recorded in 2023, when 6 babies were given it; 99 Americans have been recorded with it between 2005 and 2023 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Keymarion by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Keymarion?
Unranked in 2025
Its last boys’ rank on record is #11,586, in 2023; SSA lists a name only in years with 5 or more births.
11 babies in 2012, the peak
Keymarion peaked in 2012, when 11 boys were given it, #7,317 among boys’ names. It was not recorded in 2025.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2023 | 6 | #11,586 | 3.5 |
| 2020 | 5 | #13,150 | 2.9 |
| 2018 | 7 | #10,235 | 3.9 |
| 2016 | 5 | #13,285 | 2.6 |
| 2015 | 6 | #11,447 | 3.1 |
| 2013 | 7 | #10,233 | 3.7 |
| 2012 | 11 | #7,317 | 5.8 |
| 2011 | 7 | #10,247 | 3.7 |
| 2010 | 8 | #9,263 | 4.2 |
| 2009 | 10 | #8,021 | 5.0 |
Every recorded year (13)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2008 | 8 | #9,461 | 3.9 |
| 2006 | 9 | #8,416 | 4.4 |
| 2005 | 10 | #7,414 | 5.0 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Keymarion a boy’s or a girl’s name?
Keymarion has been recorded only for boys: SSA lists no girls with the name in 13 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Keymarion: the SSA national file counts each sex separately.
How many people are named Keymarion, and how old are they?
An estimated 98 Americans named Keymarion and born in the U.S. are alive in 2026, too few to state an age range. An estimate from SSA’s births and life tables, not a count.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made.
Names spelled alike
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Keymarion
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.