Calyx

Gender: Boy
Say it: KAY-liks
Origin: English
US rank, 2025: #6,442 for boys

Calyx is a boys' name of English origin, meaning “outer whorl of a flower”. In 2025 it ranked 6,442nd for boys in the US (13 babies).

What does Calyx mean?

English: botanical word, from Greek kalyx 'husk, pod'

“outer whorl of a flower”

In botany the calyx is the ring of sepals that encloses and protects a flower bud.

Is Calyx a girl's or a boy's name?

Calyx is a boys' name. In 2025, it was given to 13 boys in the US. Too few girls were given it to be listed.

How popular is Calyx in the US?

Rank in 2025: 6,442nd among boys
Babies in 2025: 13 about 1 in 130,000 boys
Five-year trend: Rising up 26% in five years
Same name in a class: under 1% chance among 15 boys

In 2025, 13 boys in the US were named Calyx, making it the 6,442nd most popular name for boys. Five years earlier, in 2020, it was 6,616th. Its busiest year was 2022, with 20 boys. It first appears in the records in 2007.

It has been given to fewer boys each year for the last 3 years. 2025 had fewer boys named Calyx than any year since 2020.

Half of all the boys named Calyx in the US since 1880 were born between 2016 and 2023, the years shaded on the chart below.

2007Busiest: 20 in 20222025

Calyx in the US, year by year

Year	Boys	Rank
2025	13	#6,442
2024	16	#5,655
2023	19	#5,070
2022	20	#4,846
2021	18	#5,105
2020	12	#6,616
2019	13	#6,401
2018	13	#6,341
2017	9	#8,136
2016	6	#10,739
2015	6	#10,638
2014	14	#5,993
2013	8	#8,784
2012	0	–
2011	10	#7,495
2010	0	–
2009	0	–
2008	0	–
2007	5	#12,361