Human names › S
Sybil
A human name. Not yet an agent name, as far as the registry knows.
Human name2 syllables2 tokens
Costs 2 tokens on GPT; Claude pending. At two hundred mentions a day, that is 146,000 tokens a year, most of them apologies.
Recorded as
Girls
In 2025
#1,426 for girls
Peak
1919, #282
Since 1880
20,365 babies
On licences
25 dogs in New York
What the numbers say
Sybil was given to 152 girls in 2025, ranking 1,426th for the year. It peaked in 1919, when it ranked 282nd and went to 515 babies. It has appeared in 145 of the 146 years on record. It has climbed 481 places since 2020. It is also on 25 dog licences in New York City, ranked 3,535th among dogs there, and on 2 in Seattle.
Siblings from the same year
Names that peaked alongside Sybil, for a fleet with a birth year.
Villain probability, by sound
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Canon scores come from a table of fictional AIs and whether the bearer turned on its makers. Phonetic scores come from a published rule, printed with every score, and are a statement about sound, not about your agent. How the sound is scored.
On an agent
There is no agent tradition around Sybil yet. The registry has 0 bearers. Rare enough that the name is yours in the workspace, and common enough that it is a name.
Sources
Our editors write full entries for names with an agent history. This one has the figures.
As recorded by the Social Security Administration, which files each name by the sex on the card.