- - Tim Daly’s 3 Siblings: All About Sisters Tyne, Glynnis and the Late Pegeen

Emily BlackwoodAugust 21, 2025 at 7:00 AM

Tyne Daly/Instagram

Tim Daly, Peegen Daly, Glynnis Snow and Tyne Daly -

Tim Daly is one of four siblings, including sisters Glynnis Snow, Pegeen Daly and Tyne Daly

Like her brother, Tyne is an actress, best known for her role in Cagney & Lacey

Pegeen died in September 2019 following a "long struggle with heart" difficulties

Tim Daly and his sisters — Tyne Daly, Glynnis Snow and Pegeen Daly — grew up just outside the spotlight.

Their father was Emmy-winning actor James Daly, who rose to fame in the 1970s for his role on the television series Medical Center. In 1941, he married stage actress Mary Hope Newell Daly, whose on-screen credits include Charlie’s Angels and Starsky and Hutch.

“[James] had a lot of impact about how we feel about acting and approaching it,” Tim told the Los Angeles Times in November 1991. “Acting was considered an honorable and viable occupation in our household. We grew up with a lot of high ideals.”

James and Mary went on to have four children and divorced when Tim was 9 years old, per a June 2016 interview on CBS Sunday Morning. Over the years, the brother and sisters remained close on and off-screen. Still, when Tim married fellow actress Téa Leoni, they weren't present, including Tyne.

Here's everything to know about Tim Daly’s siblings, sisters Tyne Daly, Glynnis Snow and Pegeen Michael Daly Valentine.

They grew up in New York

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Tyne Daly and Tim Daly

James and Hope raised their family of four in Rockland County, N.Y., where James was a fixture in the city’s theater scene. Tim later told Broadway.com that his father would have been proud to see two of his children carry on that legacy.

“[Tyne’s] fantastic,” he said in the April 2006 interview. “I think that my father would be simultaneously bursting with pride and green with jealousy that his two children were both on Broadway, back to back.”

Tyne even shared the stage with her father in a play and several episodes of Medical Center. Tim, however, never had that chance as an adult. In 1978, James died of a heart attack on the first day of rehearsals for a summer tour of Equus, a production they were set to perform in together, per The New York Times.

“It was my first professional acting job,” Tim told the Los Angeles Times. “But he died the first day of rehearsals. We were just a few hours apart from working together.”

Glynnis married the composer of The X-Files

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Mark Snow and Glynnis Snow

While Glynnis might not have sought a career in the Hollywood spotlight, her marriage connected her to one of television’s most iconic sounds. She wed 15-time Emmy-nominated composer Mark Snow, best known for creating the iconic theme song for The X-Files.

According to The New York Times, Snow later told NPR that the whistling heard in the track came straight from his wife. “‘You know, I’m a good whistler too.’ ” she reportedly quipped. “‘Maybe I could beef it up a little bit.’ ”

In 2014, Tim presented his brother-in-law with the Television Academy’s Career Achievement Award, per the American Society of Composers, Authors and Publishers. Snow died at 78 from a rare form of blood cancer on July 3, 2025.

Tim’s sisters all had daughters

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Tyne Daly and her daughters during The 54th Annual Primetime Emmy Awards

Tyne, Glynnis and Pegeen were all mothers to girls.

Tyne and director Georg Stanford Brown — her husband of 24 years — welcomed three daughters, while Pegeen and late actor John Wadsworth Valentine Jr. had two.

Glynnis and her late husband also shared three daughters.

Tim and Tyne have acted together

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Tim Daly and Tyne Daly

In 1991, Tyne guest-starred on Tim’s long-running sitcom Wings, and he told the Los Angeles Times that they inherited their work ethic from their father.

“[We] have a similar, straightforward way of working, and we had a really good time,” Tim told the outlet. “I’d love to do it again on the stage, in something more sustained and deeper.”

They got that chance in 2018 with Downstairs, a play written specifically for them by playwright Theresa Rebeck, per Variety.

Pegeen died in 2019

Tasos Katopodis/Getty for The Creative Coalition; Tim Daly/Instagram

Tim Daly and Peegen Daly

In September 2019, Tim announced on Facebook that his sister, Pegeen, had recently died.

He shared a “beautiful tribute” written by Tyne, in which she shared that their sibling had died “after a heroic and long struggle with heart and other health difficulties.”

“Our loving, dear and funny sister is now out of pain,” Tyne wrote. “Hers was a peaceful and graceful exit ... In the last several months we spoke every day and she had wonderful memories of all of you and our working time together. She treasured that part of her life and we did lots of laughing.”

The actress continued, “Her sister Glynn, brother Tim and I and our kids and their kids will miss her always.”

Tyne wasn’t invited to Tim’s wedding

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Tyne Daly and Tim Daly

When Tim married his longtime partner, Téa Leoni, in July 2025, the wedding was so small that even his sisters didn’t make the guest list.

Tyne told PEOPLE the following August that the wedding was “very, very private” and that the couple “only had people that they gave birth to or people who gave birth to them.”

Tim and Leoni tied the knot in a private ceremony at their apartment in New York.

on People

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