Rainn
A boys’ name with no widely documented etymology — one syllable, given to 9 babies a year in England and Wales.
Rainn by the numbers
In 2025, 9 babies in England and Wales were named Rainn. In the US, 12 were, though that figure is from 2017, the most recent full year we hold.
For the size of the two countries, it is given several times more often in England and Wales than in the US.
Its American peak was 13 babies in 2009, making it a 2000s name.
What we can tell you about Rainn
Not every name has a meaning to trace. Plenty are coined rather than inherited — invented outright, blended from two names, or respelled from an older one — and where we cannot find an etymology we can stand behind, we would rather say so than make one up. What follows comes from the birth records themselves.
Spelled almost the same
Other names in the records within a letter or two of Rainn. Close spellings are not always related names, but they are usually worth seeing together.
- Rainrain or counsel; from Rein or Raine134 in the US (2017)
- Rainerain or counsel; from Rein47 in England and Wales (2025)
- Raini6 in the US (2017)
- Raidenthunder and lightning god; thunder deity815 in the US (2017)
- Ravendark-haired; from the bird name742 in the US (2017)
- Rayanwatered; verdant or irrigated land291 in England and Wales (2025)
Sounds like Rainn
Names that are said the same way as Rainn, however they are written. Sounding alike does not mean they share a history.
Names about as common as Rainn
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