Kei
A boys’ name of Japanese origin, meaning respectful; orderly; may vary with kanji used.
Babies a year
25
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#5137
3 babies
Kei by the numbers
In 2025, 3 babies in England and Wales were named Kei. In the US, 25 were, though that figure is from 2017, the most recent full year we hold.
It is used at about the same rate on both sides of the Atlantic.
Its American peak was 33 babies in 2015, making it a 2010s name.
Spelled almost the same
Other names in the records within a letter or two of Kei. Close spellings are not always related names, but they are usually worth seeing together.
Sounds like Kei
Names that are said the same way as Kei, however they are written. Sounding alike does not mean they share a history.
- Key5 in the US (2017)