Chances are you’ve seen Onlyjayus, whose real name is Isabella Avila, making science and psychology facts go viral with her signature humor.
With more than 17 million followers on TikTok, she also creates content on Instagram, YouTube, Twitch, Snapchat, Patreon, Facebook, and Twitter.
Let’s get to know the creator behind the camera—we’ll explore her background, rise to fame, and what makes her stand out as a digital creator.
How old is onlyjayus?
In 2025, Onlyjayus is set to turn 26 years old. She was apparently born on April 12, which makes her an Aries and means she shares a birthday with people like actor Paul Rust and figure skater Ilia Malinin.
Where is onlyjayus from?
Word on the street is that she’s originally from Las Vegas, Nevada.
After growing up in a few different places, including Nevada and New Jersey, she now reportedly lives in California.
onlyjayus's family and personal life
It seems she comes from a massive family, with some sources saying she has 11 siblings and is the second oldest. Her dad is reportedly an entrepreneur and her mom a housewife, with some talk of a stepmother as well.
She’s been open about being a lesbian since she was a teen and is a vocal supporter of the LGBTQ+ community. While her current relationship status isn't totally clear, she has shared bits of her love life online, including past relationships with creators like Hail Lightning and Mattie Westbrouck.
onlyjayus's journey as a creator
Onlyjayus built her massive following by making educational content genuinely entertaining.
- She reportedly kicked things off on TikTok in 2019, with her first viral video showing how to install a microfiber ceiling in a car.
- Her unique style—mixing science, psychology, and humor—helped her blow up, and she expanded to platforms like YouTube and Twitch.
- She continues to post regularly and has apparently worked with major brands like McDonald's, HP, and Google.
- Fun fact: she was nominated for a Streamy Award, and her name "jayus" is said to be an Indonesian word for a joke so unfunny it becomes hilarious.
What kinds of followers does onlyjayus have?
Her audience seems to be mostly made up of teens and young adults who are super into internet culture. You'll likely find them scrolling through TikTok and YouTube, keeping up with their favorite creators.
They're a curious bunch, drawn to her fun takes on science and psychology, but also connect with her as an openly gay creator. It looks like her followers are part of a larger online community that's into everything from gaming to LGBTQ+ advocacy.
Grow your audience with Beacons
If you're a creator looking to grow, platforms like Beacons can help you build a custom link-in-bio page, sell digital products, manage brand deals, and even track your stats—all in one place.
Ready to build your own creator hub? Get started for free!
