So, the other night I was doom-scrolling, as you do, and I stumbled upon a clip of Jimmy Kimmel doing his monologue. He was telling this hilarious story about his son Billy, who apparently has a very strong opinion about the family dog’s diet. And my first, most pressing thought wasn’t about the dog, or the joke—it was, wait, how old is that kid now? I genuinely felt a little pang of panic, like I’d missed a major life update from a close friend I’ve never actually met.

Isn’t that the weirdest part of parasocial relationships? We watch these people on our screens for decades, we see them become parents, and we feel this bizarre sense of ownership over their timelines. You remember when Kimmel was just the goofy guy on “The Man Show,” and now he’s a dad dealing with teenage angst and toddler tantrums. It’s a wild ride, so let’s all get on the same page and figure out the current ages of the Kimmel brood, shall we?

The Main Event: The Kimmel Kids' Ages

Alright, let’s rip the Band-Aid off. Jimmy Kimmel and his wife, Molly McNearney, have two kids together: a daughter named Jane and a son named Billy. But it’s also important to remember that Jimmy has two older children from his first marriage, Katie and Kevin. So, when people ask about “Jimmy Kimmel’s kids,” they could mean four different humans, and that’s where the confusion usually starts.

Let’s break it down by generation. His eldest, Katie, was born in 1991, making her a full-blown adult in her early thirties. I know, I felt that shiver down my spine too—it’s wild that someone we saw as a baby on red carpets is now navigating her own life, probably with a 401(k) and everything.

Next up is his son Kevin, born in 1993. He’s a millennial through and through, clocking in around his early thirties as well. He’s the one who famously had to carry his dad’s huge Oscar statue, and I’m sure that thing is still giving him back problems. Talk about sibling responsibilities, am I right?

The “Modern” Kimmel Kids

Now, for the younger pair that Jimmy talks about constantly on his show. The drama, the sleepless nights, the all-consuming parenting—this is the era we’re most familiar with. His daughter Jane was born in 2014, so she’s hovering around the ten-year-old mark right now. That means she’s at that perfect age where she’s too cool for her dad, but still secretly thinks he’s funny.

And then there’s Billy, the little guy with the big personality. Billy was born in 2017, which makes him about six or seven years old in 2024. That kid has overcome so much health stuff early on, and now he’s just a regular kid who apparently loves to argue about kibble. Honestly, it’s a beautiful thing to see.

It’s funny because I always remember the emotional monologue Jimmy gave about Billy’s heart surgery in 2017. To see that tiny baby now as a rambunctious first-grader is genuinely one of those “time is a flat circle” moments. You blink, and suddenly you’re watching him grow up on your phone screen between cat videos.

All About Jimmy Kimmel’s 4 KidsAll About Jimmy Kimmel’s 4 Kids

Why We Care About This (Besides Being Nosy)

Let’s be honest with ourselves for a second: we care because Jimmy Kimmel feels like our grumpy, hilarious uncle. When he shares stories about his kids, he’s not just reading cue cards; he’s venting to us. He’s telling us about the nightmare of driving carpool or the disaster of a school play, and we can’t help but see our own family chaos mirrored right back at us.

It’s also a comforting reminder that money doesn’t shield you from parenthood. Sure, they probably have a nanny and a house that’s bigger than my entire block, but a six-year-old is still a six-year-old. They’re going to throw a fit at Target, and they’re going to embarrass you in public, regardless of your net worth. That’s the great equalizer.

Plus, watching his older kids interact with the younger ones on social media is fascinating. You have Katie and Kevin, who are grown, and then you have Jane and Billy, who are basically the same age as their nephew. It must be a chaotic, wonderful zoo over at the Kimmel house during the holidays. I can only imagine the seating chart for Thanksgiving dinner.

So, next time you see a clip of Jimmy talking about “Billy,” you won’t have to frantically Google. You’ll know we’re talking about a little dude in elementary school, and his big sister Jane is already rocking the pre-teen vibe. And Kevin? He’s probably somewhere doing adult things, trying to forget that his dad still tells that embarrassing story about him on national television.

It’s weird to think we’ve watched these kids grow up without ever meeting them. But that’s the contract we signed when we started watching late-night TV. We get the laughs, and they get a lifetime of material. I’m just hoping Billy uses his platform one day to finally address the dog food situation.