October: 10 Names for the 10th Month

October has been lying about its age for more than 2,000 years.

The name comes from the Latin octo, meaning "eight," because in the early Roman calendar, which started in March, October really was the eighth month. Then January and February arrived, cut in line, and pushed October back to tenth place.

Nobody updated the paperwork.

So the tenth month of the year still walks around with a name that means "eight." If a month can keep a slightly wrong name for two millennia and pull it off, it has earned a name list of its own.

Here are 10 names with a special connection to October: a birthstone, two birth flowers, a saint, some gold, a hunter in the stars, and one sign of the zodiac that likes everything evenly balanced.

1. Octavia & Octavio: The Eighth in the Tenth

Of course we're starting here. Octavia and Octavio come from the ancient Roman name Octavius, from Latin octavus, "eighth." The Romans liked numbers in their names, which gave us Quintus ("fifth"), Sextus ("sixth") and Decimus ("tenth"). Parents today agonize over the perfect name. The Romans sometimes just counted.

Here's the twist. Some scholars think these "number-names" didn't always just mark birth order, but the month a child was born in. If that's right, an ancient Octavius may have been, quite literally, an October baby.

Octavia has lasted for centuries with help from history, literature, and one very famous Roman family. A name meaning "eighth" for the tenth month? That's not a mistake. That's tradition.

2. Opal: October in a Gem 💎

If October had a jewelry box, Opal would be the piece everyone asks about. Opal is October's traditional birthstone (tourmaline shares the honor), and it's famous for flashing color when it catches the light. Pinks, greens, blues, oranges, golds. It looks a lot like an October hillside that got turned into a stone.

As a name, Opal has the vintage charm of Pearl and Ruby with a dreamier side. Plenty of gemstone names work for a month. Very few actually look like the month.

3. Marigold: October in Bloom 🌼

Bright, golden, and completely unable to blend in, Marigold is one of October's two birth flowers. Its English name has a sweet backstory: "Mary's gold," for the Virgin Mary and the golden blooms once offered in her honor.

Marigold is a cousin to Violet, Rose, and Daisy, just with more syllables and a lot more confidence. And the flower is already dressed for the season in yellow, gold, orange, and rust. Marigold didn't have to shop for a fall wardrobe. It is the fall wardrobe.

4. Cosmos: A Small Flower With a Big Name 🌸

October gets two birth flowers, and the second one has quite an ego. Cosmos comes from the Greek kosmos, meaning "order" or "harmony." The Spanish priests who grew it in their mission gardens in Mexico were said to be struck by how neatly its petals were arranged. The same Greek word later gave us cosmos, the ordered universe.

So this is a modest little garden flower whose name also means everything that exists. Bold. We respect it.

(Keep that word "harmony" in mind. It comes back at the end.)

5. Francis: October's Gentle Saint 🐦

October 4 is the feast day of St. Francis of Assisi, patron saint of animals and the environment, and one of the most loved saints in Christianity. He was born Giovanni di Pietro di Bernardone, but his father, a wealthy cloth merchant and medieval version of a Francophile, started calling him Francesco, roughly "the Frenchman." The nickname stuck. So did Francis, who walked away from wealth and privilege to live a life of radical simplicity and compassion.

Eight hundred years later, his feast day is still celebrated around the world with the Blessing of the Animals. Every October, churches fill up with dogs, cats, rabbits, parakeets, and the occasional tortoise who didn't agree to any of this. For an October baby, Francis brings history, heart, and a little bit of barking.

6. Aurelia: The Golden One ✨

Some names belong to October because of the way the light looks. Aurelia comes from the Roman family name Aurelius, traditionally connected with Latin aureus, "golden." (One ancient writer tied it to an old word for "sun" instead, which, for October, also works.)

Golden is October's specialty. Golden leaves, golden fields, and that late-afternoon light that makes even an ordinary maple look like it hired a photographer. Aurelia is ancient, graceful, and glowing, and it captures October without a single pumpkin.

7. Orla: The Golden Princess 👑

One golden name wasn't enough for October. Orla is the anglicized form of the Old Irish Órlaith, from ór ("gold") and flaith ("ruler, sovereign"), usually read as "golden princess." Medieval Irish royalty used it, including a sister of the great high king Brian Boru.

After a few centuries out of sight, Orla came back sounding short, stylish, and completely modern. It's royal, but it wears it lightly. A golden princess for the golden month? Yes, please.

8. Orion: October Looks Up 🌌

October doesn't only put on a show in the trees. Look up. Orion, the great hunter of Greek mythology, gives his name to one of the easiest constellations to spot, thanks to that three-star belt. In October he rises late at night and climbs a little earlier each week, working his way toward the prime-time winter sky.

Fun fact: October also brings the Orionid meteor shower, named because the meteors seem to come from Orion's direction. The best part: those shooting stars are bits of dust left behind by Halley's Comet. You get to see a famous comet every year without waiting 76.

Mythical, starry, and just dramatic enough, Orion is made for those clear October nights when the sky suddenly feels enormous.

9. Bruno: The Brown One 🤎

Not every October color has to be gold. Bruno comes from an old Germanic name built on brun, "brown," a word that was also linked with the brown bear. That gives a polished European name a surprisingly rugged side.

Brown doesn't get the attention that crimson and gold do this time of year. But October would be lost without it: acorns, tree bark, crunchy leaves, chestnuts, and every good cup of cider. Bruno is here to remind you that brown deserves better PR.

10. Harmony: October in Balance ⚖️

We end with the stars again, this time the zodiac. For most of October, the zodiac belongs to Libra, the sign of the scales, which stands for balance, fairness, and harmony. So Harmony is a natural choice. The word comes from the Greek harmonia, "agreement, concord," and more literally, "a fitting together." In myth, Harmonia was the goddess of harmony, and her parents were Aphrodite and Ares. Love and war had a daughter, and they named her Harmony. That is either very hopeful or very funny.

Remember Cosmos, back at #4, with its Greek roots in "order and harmony"? Our list opened with a number that didn't match and ends with a name that means everything fits.

Ten names, perfectly balanced. Libra would approve.

🍂 October Has a Name for Everything

A gemstone, two flowers, a saint, golden light, autumn skies, earthy color and a set of scales keeping it all in balance. October turns out to be a very good baby namer.

And through it all, the tenth month still carries a name meaning “eight.” After more than 2,000 years, it’s far too late to correct the paperwork now.

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Which October name is your favorite—and what name would you add to the list? Tell us in comments below 👇

At Name Stories®, we believe every name carries a story worth telling. If you're curious about the meaning, history, or symbolism behind a special name in your life, you can explore our personalized name prints at https://namestories.com.