Ashley Williams Welcomes Son Gus

10/23/2014 at 10:00 AM ET

Ashley Williams Welcomes Son Gus Dave M. Benett/Getty

She has something blue!

Something Borrowed star Ashley Williams is a new mom after welcoming her first child with husband Neal Dodson on Sunday, Oct. 5, she tells PEOPLE exclusively.

Son Gus Williams Dodson was born at home, weighing 8 lbs., 8 oz., and measuring 20½ inches long.

“He’s gorgeous and healthy. So far he’s soothable and calm. Knock on wood!” the proud new mama tells PEOPLE, adding her son was born to an Alexi Murdoch song.

As for her baby boy’s moniker Williams, 35, explains, “His name is Gus. For no other reason than: Who doesn’t love a guy named Gus?”

The How I Met Your Mother actress, who also moonlights as a certified doula, was surrounded by a team of midwives, a doula and a chiropractor during the birth. “We felt so safe and so lucky to have had such incredible support,” she says.

Shortly after Gus’s arrival, Williams’s costar, Jim Gaffigan, congratulated the couple on Twitter — and started the countdown to more kids.

“Big congrats to @imthesmash & @nealdodson on the arrival of Gus! Only four more kids to go. #homebirth,” Tweeted the actor, who will star opposite Williams in an upcoming comedy series.

Williams announced her pregnancy in July, joking to PEOPLE, “After years of waiting for the perfect moment to have a child, we decided to go with this moment instead. And we couldn’t be more thrilled.”

— Anya Leon

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Showing 15 comments

klutzy_girl on

Congratulations to them!

NoDoubt! on

Congrats!

Catherine on

I actually love the name. It’s so cute. Congrats to them!

Ava on

Gus, I love it! So adorable.

Meena on

Why the chiropractor?

jen on

Not a weird hollywood name. But not a nice one. The name Gus makes me think of an overweight, sweaty old man. Mazel tov!

mamagoddess on

I would have loved to have a Chiropractor on hand at my births. Although I’m part of the 4% that actually needed a c-section so not sure how that would have worked.

Becky on

How awesome, another celebrity to bring home birth into the spotlight! It’s the most natural thing to do. Congrats to the beautiful family!

charlotte on

Great news! Happy for her and her husband!

Candy on

Congratulations on your happy homebirth of baby Gus!

Paula on

Jen, you made me laugh out loud, w/ your
description of “Gus” !!!

Anonymous on

Congrats to them, and I love the name!

blessedwithboys on

I wish Ted had ended up with Victoria. LOL

Happy that the hb was successful, best wishes!

Val on

So happy for them. Congrats!

amy on

I would SO nickname him Gus-Gus from Cinderella. He was always my favorite character!!