She has given birth to her fourth childLONDON, ENGLAND - SEPTEMBER 11: Katherine Ryan attends the Gala night of "Mamma Mia! The Party" at London's O2 to celebrate the launch of a charity partnership with Nordoff and Robbins on September 11, 2025 in London, England. (Photo by Alan Chapman/Dave Benett/Getty Images for Mamma Mia The Party)Katherine Ryan pictured last month(Image: Dave Benett, Alan Chapman/Dave Benett/Getty Images for Mamma Mia The Party)

Katherine Ryan has welcomed her fourth child into the world. The 42 year old comedian’s husband, Bobby Kootstra, announced the arrival of their baby daughter, Holland Juliette Kootstra, on Instagram.

He shared the joyous news with his followers, writing: “Holland Juliette Kootstra has arrived. The ‘Patrick Mahomes’ of child birth pulled out another MVP performance! Amazing to witness the greatness of @kathbum #blessed.”

Katherine, who is also mum to Fred, four, and Fenna, two, with Bobby, as well as Violet, 15, from a previous relationship, had previously hinted that she thought she was expecting a boy.

Speaking to Heart Radio, the Canadian comic said: “I have to say I can’t ever complain post-first trimester. I’m quite big, so I think it might be a boy, so I’m feeling dejected about that, because men have just antagonised me all my life, even before they’re born.”

She also revealed that she never finds out the sex of her baby before the birth, saying: “It’s always a surprise, and I love that. It’s vintage.”

The Duchess star has previously spoken about how having young children has affected her relationship with Bobby.

Katherine Ryan has given birth to a baby daughterKatherine Ryan has given birth to a baby daughter(Image: BANG Showbiz)

During an appearance on the Nearly Parents podcast with Jamie Laing and Sophie Habboo, Katherine admitted: “It really tests your relationship.

“You used to be the most important person in each other’s lives, you cease to be the most important person in each other’s lives. There’s a shift in, you know, roles and responsibilities and focus.

“You’re both tired and you’re hungry and you’re sleep deprived – that’s how they torture prisoners. I haven’t slept in four years, but I’m kind of fine with it.

“I’m getting to the age where, like, you know, your dad starts waking up at 5am and he’s in bed by 7pm, that’s me. The elderly get up early and that’s the phase of life I’m at.

“I don’t view myself as the children’s mother, I’m their grandma. I’m really fun, I always say yes.”

Earlier this year, Katherine hinted at her desire to have a fourth child.

In the U+W series At Home With Katherine Ryan, she said: “It’s not that surprising that over-40 women have fewer follicles than we once did.

“But we talk a lot about male fertility as well, which is on a steep decline. But I would still like a fourth baby.

“We are so blessed to have the kids that we do have. Having children is not for everyone, but I personally really like making people. I think it’s a superpower, if you can do it.”