Kaysen

What Kaysen means

Variant of Cason, meaning “house”

variant of Cason || Also borrowed from Italian Cason, from a Venetan form of casa (“house”).

Source: Wiktionary, “Kaysen” (revision 55058374) and “Cason” (revision 89616911), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Kaysen?

US: Rising: up from #710 in 2015. England & Wales: Steady: #3004 in 2015, #3256 now.

Biggest US share so far: 2025, when 772 boys got the name (#415 that year). First in the US records in 1998.

How common

• About 1 in 2,213 baby boys in the US in 2025
• About 1 in 45,323 baby boys in England and Wales in 2025
• About 1 in 3,928 baby boys in Scotland 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 WV (3.25 per 1,000 boys), HI (2.06 per 1,000 boys), MS (2.03 per 1,000 boys) in 2025.

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

US vs UK

Kaysen is #415 in the US and #3256 in England & Wales (2025).

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

Boy or girl?

In 2025, 98.2% of US babies named Kaysen 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
• Kyson648 US · 20 E&W
• Kasen622 US · 12 E&W
• Kaison557 US · 27 E&W
• Kason480 US · 15 E&W
• Kaisen311 US · 5 E&W
• Cayson296 US · 8 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 Kaysen

Boys

• Leonardo#91Italian, from Old French Leonard, meaning “as strong as a lion”^*
• Declan#139Editor’s note More popular in the US than England & Wales: #139 vs #372 in 2025
• Ronan#247Irish, meaning “little seal”^*
• Finn#206“the Sami”^*
• Josiah#54Editor’s note More popular in the US than England & Wales: #54 vs #226 in 2025
• Nolan#65“descendant of Nuallán”^*

For a sister

• Emersyn#138Editor’s note More popular in the US than England & Wales: #138 vs #3,705 in 2025
• Gia#287Editor’s note Up from #372 in 2015 to #287 in 2025 in the US
• Elliana#139Editor’s note Climbing fast in the US: #301 in 2015, #139 in 2025
• Myla#210Editor’s note Up from #335 in 2015 to #210 in 2025 in the US
• Lilith#277Editor’s note Climbing fast in the US: #586 in 2015, #277 in 2025
• Ellie#24Editor’s note Up from #48 in 2015 to #24 in 2025 in the US. About 1 in 260 US girls in the 2025 records

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 Kaysen’s. Place names are only included if they are in the top 300. Rank is US 2025.