Keri Russell Reveals Name and Sex of Her First Child with Matthew Rhys – and Says the Baby Is Doing ‘So Good’

07/01/2016 at 09:25 AM ET

Keri Russell pregnant Matthew Rhys
Taylor Hill/Getty

Keri Russell has finally lifted the veil on her newborn baby!

On Friday, the actress revealed the name and sex of her first child with her The Americans costar Matthew Rhys: The couple welcomed a son, whom they named Sam.

Russell broke the news during an appearance on the Today show Friday after host Matt Lauer teasingly addressed the fact that the star had kept things very hush-hush and had not yet officially announced her third child’s arrival.

“I mean, I guess not,” Russell said with a laugh. “Where do you reveal that?”

“You could do it right now!” Lauer suggested.

“We had a boy,” Russell said. “[His name is] Sam. He’s so good. He’s big and fat and nice.”

Russell also said Rhys, a new father, is doing “so well.”

WATCH:  Keri Russell Reveals Name and Sex of Her First Child with Matthew Rhys – and Says the Baby Is Doing ‘So Good’

Russell, 40, and Rhys, 41, welcomed their son in May. Sam is Rhys’ first child and the third for Russell, who is already mom to daughter Willa, 4, and son River, 9, with ex-husband Shane Deary.

The Americans stars — who play Russian spies posing as a suburban American couple on the hit FX spy drama — have largely kept their relationship under wraps though after months of speculation, PEOPLE confirmed in April 2014 that the two were dating.

— Aurelie Corinthios

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sue's on

She looks exhausted and it’s reasonable, considering she just had a baby.

Funny . . . on

Funny–when her first two children were born with her former spouse, she authorized her publicist to release a statement announcing the sex and names of her children. Now that she dumped her husband for her co-worker, she attempted to go through great lengths to protect that child’s privacy.

Guest on

@Funny…on maybe it was the new father’s decision. Or a joint decision.

Tee on

I have to admit that I was curious as to if they’d had a son or daughter! Congratulations to Kerri and Matthew on the birth of little Sam! I love how simple his name is compared to River and Willa!

Tee on

Ach, sorry! Realized I misspelled Keri’s name right as I hit “post!”

Some User on

Sam? She gave the other ones weird hippie names and now the son is called Sam? I opened this article thinking she was going to pull another Zappa and call it Couch or Baseball or something ridiculous like she did her son and daughter — but “Sam” is just so… normal.

If I were those two kids I’d file an injunction in court asking mom to pay damages and court costs for a legal name change. Her name is Kerri, he’s Matthew, the new one is Sam, and the others are River Phoenix and Willow Smith. Yeah, if I were her I’d lay off the drugs too.

Anonymous on

She is one of my favorite actresses. I loved loved loved her in the movie waitress. I bet she’s a great mom. Congratulations!

Dede on

Kerri is one of my favorite actresses. I loved loved loved her in the movie waitress. I bet she’s a great mom. Many congratulations to lucky Sam.

theeditor2014 on

Did anyone else notice that it was The Most Awkward Baby Announcement in the History of Baby Announcements? It was as if Matt was asking to see her tax returns, or maybe a live tooth extraction. Look honey, it’s 2016. We all know you guys *did it and had a baby.* No need to pretend it’s a state secret.

adison on

She is an amazing actress, I loved her on The Americans.