Sienna has been a Top 100 choice in England & Wales since 2005, the year after Sienna Miller's acting breakthrough in the hit movies Alfie and Layer Cake. In the US, it also got a big boost in the early noughties, before dropping slightly then rebounding to reach an all-time high in 2022.

Piper's rising popularity for girls makes it an unlikely masculine choice.

This is a great American name that deserves more attention from parents looking for a name that balances a soft sound with a more traditionally masculine cowboy image.

The vowel ending tilts this sharply toward the feminine, and at this point Havana still has some political implications as well.