Kaisen

What Kaisen means

Meaning not yet sourced. Wiktionary has no word-by-word meaning for Kaisen yet, and we don’t write our own.

Editor’s note More popular in the US than England & Wales: #800 vs #3,684 in 2025 Worked out from the official US and England & Wales counts, not a meaning.

How popular is Kaisen?

US: Rising: up from #1625 in 2015. England & Wales: Falling: down from #2483 in 2015.

Biggest US share so far: 2025, when 311 boys got the name (#800 that year). First in the US records in 2004.

How common

• About 1 in 5,492 baby boys in the US in 2025
• About 1 in 54,387 baby boys in England and Wales in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in MS (1.85 per 1,000 boys), WV (0.81 per 1,000 boys), AL (0.65 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Kaisen is #800 in the US and #3684 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 99.9+% of US babies named Kaisen were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

Other spellings

Other spellings parents chose in 2025

• Kayson1,305 US · 74 E&W
• Kaizen895 US · 23 E&W
• Kaysen772 US · 6 E&W
• Kasen622 US · 12 E&W
• Kaison557 US · 27 E&W
• Kason480 US · 15 E&W
• Casen293 US
• Kaycen235 US · 3 E&W

Names that sound the same and differ by a letter or two, with baby counts for the same sex. US and E&W counts.

If you like Kaisen

Boys

• Kash#286Editor’s note Up from #382 in 2015 to #286 in 2025 in the US
• Ace#164Editor’s note Climbing fast in the US: #419 in 2015, #164 in 2025
• Charlie#145Editor’s note More popular in England & Wales than the US: #22 vs #145 in 2025
• Emerson#254Editor’s note Up from #300 in 2015 to #254 in 2025 in the US
• Asher#28Editor’s note More popular in the US than England & Wales: #28 vs #150 in 2025
• Lincoln#69“the Roman settlement Lindum Colonia”^*

For a sister

• Ruby#64Editor’s note Up from #83 in 2015 to #64 in 2025 in the US. About 1 in 450 US girls in the 2025 records
• Scarlett#32Editor’s note Down from #22 in 2015 to #32 in 2025 in the US
• Luciana#273Editor’s note More popular in the US than England & Wales: #273 vs #1,809 in 2025
• Violet#13From the word “violet”^*
• Evangeline#147“good news”^*
• Lucille#237Editor’s note Peaked in the US in 1920, with 7,989 babies; 1,314 in 2025

Picked from the US top 1,000 in 2025: names Wiktionary also files under where there are enough, topped up with common names whose US popularity since 1990 rose and fell most like Kaisen’s. Place names are only included if they are in the top 300. Rank is US 2025.