The nickname Cal could be the next Max.
Or maybe Gus.
Like those two mini names, Cal feels brisk and boyish. It’s at home in the modern world, but feels like it might’ve stepped off the set of a black-and-white Western, too.
In fact, James Dean played Caleb “Cal” Trask in 1955 film East of Eden, based on a John Steinbeck novel and set in agricultural California. A new miniseries based on the story will debut on Netflix in late 2026, this time with Joseph Zada stepping into the role of Cal.
Plenty more famous figures answer to the nickname Cal, real and fictional.
The name might be complete, just as it is. But another syllable or two might help the name feel more complete.
From the most familiar to the very rare, these are longer options to consider as formal names for Cal.
Table of Contents
TRADITIONAL ROUTES TO CAL
CALEB
An Old Testament name that’s been in the US Top 100 since 1989, Caleb requires no shortening. And maybe Cale, with a long ‘a’ sound, works better instead. But the nickname Cal is forever a possibility, thanks in large part to East of Eden.
CALLAHAN
Originally from the name of a 10th century King of Munster, Callahan belongs with upbeat Irish surname names we all love. It’s a heavy favorite with Appellation Mountain readers.
CALLAN and CALLEN
The Irish surname Callan is short for Cathalan, ultimately from Cathal. And Cathal? It’s saintly and regal, a mainstay in Irish history. It comes from elements meaning battle and ruler. Of course, Callan – pick your spelling – is also an easy invention in the 21st century, built on so many two-syllable, ends-with-N names for boys, from Allen to Landon to Mason and Aidan and more.
CALLUM and CALUM
A fast-rising favorite in the US, and even more popular elsewhere in the English-speaking world, Callum traces its roots to the saintly Columba. It comes with a peaceful nature name meaning – dove.
CALVIN
Presidential and philosophical, Calvin peaked in the 1920s. Right on schedule, Calvin is rising in the rankings again, a century later. It’s the full name of baseball great Cal Ripken.
CAL SURNAMES
CALDEN, CALDON
Like Callan, this could be an invention from so many ends-with-den and ends-with-don names. But it’s also a shortened form of Irish and Scottish surnames like McCalden and Mac Haldan. There’s a 9th century Viking ruler called Haldan or Halfdan. The latter hints at the name’s meaning: half-Dane, for someone born to one Danish parent.
CALDER
The surname of famous sculptor Alexander, Calder leans artistic. But it’s also a major name in ice hockey, making this an artist-athletic double threat … and a logical route to the nickname Cal.
CALDWELL
A familiar place name across the UK and in the US, too, Caldwell is also a surname. It comes from the Old English word for cold – ceald – plus well. While it’s rare as a first, easy nickname Cal and the popularity of Wells could give this one a boost.
CALHOUN
An Anglicized spelling of the Scottish Colquhoun, Calhoun is steeped in history and broadly familiar as a surname. Ryan Gosling rose to fame as Noah Calhoun in 2004’s The Notebook. Real-life figures include Atlanta suffragist and civil rights activist Cora Calhoun Horne, as well as Green Bay Packers co-founder George Calhoun, who was known as Cal. On a negative note, there’s also South Carolina politician John C. Calhoun, known for his vocal support of slavery. The name’s original meaning is appealing: narrow wood.
CALISON, CALISSON, CALLISON
It sounds like Allison with a C, and sometimes this surname comes from McAlison. But calisson is also a French word referring to a small candy paste, made of fruit. Originally created in Provence, the name means “small chalice.”
CALLOWAY, CALLAWAY
Jazzy, thanks to legendary performer Cab Calloway. It ultimately comes from a French place name, Caillouet, from a word meaning pebble.
CALVERT
A Maryland heritage pick, and possibly an alternative to Calvin for those seeking something different. It started out as an occupational surname for a calf herder.
MACALLISTER and MCALLISTER
A Scottish surname meaning son of Alasdair, this name is cousin to classic Alexander. Short form Mac makes for an obvious choice, but the nickname Cal works, too.
RARE CAL NAMES
CALDERON
This Spanish surname comes from the Late Latin calderia – cooking pot, or cauldron. Cauldron-like craters were called calderons; and that led to the surname. It’s rarer than rare, but fits with so many Cal- names parents love.
CALEDON
Fans of 1997’s Titanic might remember that Rose was engaged to the arrogant, cruel Cal Hockley. His full name? Caledon. Unlike some of the movie’s characters, he’s entirely ficitonal, and there’s no specific explanation for his name. Billy Zane played the role. In tales of King Arthur, Caledon is the name of a forest. It likely comes from Caledonia, the Latin name for Scotland, drawn from the name of a tribe living in the region during the Roman era.
CALIBAN
Caliban could fit right in with Caspian and so many three-syllable boy names that feel fresh and appealing. Except Caliban is a villain in Shakespeare’s The Tempest, and pop culture has borrowed it for bad guys ever since. One notable figure: a troubled mutant character from X-Men.
CALIDORE, CALIDORUS
Ancient name Calidorus comes from the Greek words meaning beauty and gift. Edmund Spenser used Calidore for a character in his 1596 epic poem “The Faerie Queene.” His character was also known as the Knight of Courtesy. It’s wildly rare, but with Cal names rising and Theodore in the US Top Ten, never say never.
CALIFORNIA
We’ve named our children Georgia … and Dakota. So why not California? It’s romantic, dramatic, and as wearable as Cairo or Boston.
CALLISTUS, CALLIXTUS, and CALIXTO
Back in the 200s, Pope Callistus I led the church for a few years before being martyred. Callistus, Callixtus, and variations like Calixto pop up over the ages. Callisto is also heard, but is more familiar as a feminine name, thanks to Greek mythology.
CALOGERO
The Latin name Calogerus comes from elements meaning beautiful and elder. Thanks to a 5th century Saint Calogero in Sicily, the name survives in Italian. One famous figure: Calogero Palminteri, better known as Chazz. The New York-born actor made his name in 1993’s A Bronx Tale, based on his life story.
CALVARY
The name of a hill outside of Jerusalem, Calvary is remembered as the site of Jesus’ crucifixion. That makes this a deeply spiritual name. In Latin, calvaria means skull. Christians can also hear it as a synonym for sacrifice and redemption. Switch up the letters and it’s cavalry, as in soldiers on horseback, but there’s no connection between the two words.
CALYX
At first glance, Calyx looks like Alex … or maybe Felix. It’s a botanical name, but also borrowed from history and legend. Longer forms, like Callixenus, were known in the ancient world.
What do you think of the nickname Cal? Which longer form would you use? Are there others that should be on this list?
First published on October 12, 2012, this post was revised on November 8, 2020; December 22, 2021; and August 24, 2026.
It’s so funny that you’ve chosen ‘getting to Cal’ this week because my friends in the States (I am in the UK) have just named their son Calton – a name I’ve never heard before: is it common? Unusual? I’ve never met a Cal in the UK, plenty of little Callums though.
My nineteen month old is Callum and while we planned Cal as a nickname, it hasn’t been used much. More often, I call him my Cally boy. I like that it’s available as an option when he gets older though.
I like Callister nn Cal, another intreging Cal- name is Calbert
I’m not a huge fan of Cal, though he does have a certain charm that Max and Gus share.
If I were to aim for Cal though, I think I might go with the oh-so-cool-sounding Calixto. I also really dig Pascal, which is pretty fitting since my husband is a bit of a Francophile and Technophile.
How appropriate is this! My father-in-law is Calvin, usually called Cal. My husband and I have long held onto Callum as our boys’ name, as it also tangentially honours my father, William. Just last week, my husband’s brother and sister-in-law announced that their future son will be named Caleb – nn Cal! We joked that the youngest brother would be free to use Calhoun .
So obviously some great suggestions, and which gives three sons a variety of ways to honour their dad 🙂
I have a 2year-old Callum. We never meant for a nickname but we end up calling him Cal most if the time. I wasn’t fond of the name Cal before but now it really suits my funny, sweet, on-the-go boy.
There’s a little Calder (prn. more like Caulder) in the girls’ class at school. I like the Cal names; there are some good ones for girls too, such as Caldera.
I’ve been loving Cal a lot lately, maybe as a stand alone name? Calvin is nice.
Some more ways to get to Cal…Caldwell (of course there is the Caldwell banker association :\) and maybe Cahill. I also think Callister on its own would be an interesting choice.
I love Calvin, but never Cal. And Cal Ripkin has something to do with that. Also, in my head, Cal chews a blade of grass, talks with a twang; Calvin doesn’t.
What about Caledon?
Oooh … great addition!