Spellings
Ruby or Rubi?
In the US in 2025, 94% of babies in this name family were spelled Ruby and 6% Rubi. Same name, slightly different impression: here are the figures for each spelling.
Ten years ago
Ruby already led in 2015, with 95% of the family's births; it has 94% in 2025. All spellings together, the family went from 3,644 to 3,779 births, almost unchanged.
| Spelling | 2015 | 2025 | Change |
|---|---|---|---|
| Ruby | 3,467 | 3,554 | steady |
| Rubi | 177 | 225 | +27% |
How they sound
All of these spellings are said the same way: /ˈrubi/ (ROO-bee). So the choice is about how it looks: it is the spelling people will read on a birth card, a name tag or an email address, and the one your child will sometimes spell out.
In France
In France in 2025: Ruby 120 births (#424 among girls) and Rubi 5 births.
Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.
Which spelling is yours?
The one-minute style quiz.