Glynn Daly, whose name is recorded in reference works as Mary Glynn Daly, is a member of one of American television’s best-known acting families. According to Wikipedia, she is the daughter of the actor James Daly and Hope Newell, the sister of the actors Tyne Daly and Tim Daly, and the wife of the composer Mark Snow. She keeps a very low public profile, so this article sets out the few facts that reliable sources record, explains the name variation, and describes the family and career context that readers searching for her name usually want.
Detailed Quick Facts: Glynn Daly Bio Table
| Detail | Information |
|---|---|
| Documented name | Mary Glynn Daly (commonly shortened to Glynn) |
| Father | James Daly, actor (1918 to 1978) |
| Mother | Hope Newell |
| Siblings | Tyne Daly, Tim Daly, and Pegeen Michael Daly |
| Spouse | Mark Snow, composer, per Wikipedia’s entry on Tim Daly |
| Parents’ marriage | 1942 to 1965 |
| Birth date | Not documented in reliable sources |
| Public profile | Private; known mainly through her family |
Who Is Glynn Daly?
Wikipedia’s entry on James Daly lists four children from his marriage to Hope Newell: Tyne, Tim, Mary Glynn, and Pegeen Michael. The entry on Tim Daly identifies his sister Mary Glynn as the wife of Mark Snow. Those two statements are the extent of what reliable reference works say about her.
The shortened form Glynn Daly appears mainly on lower-quality websites, which suggests it is a search variant of the documented name. No reliable source gives her birth date, career, or marriage date, and this article does not supply them.
A Note on the Name
Using the middle name as a first name is common, and the documented form is Mary Glynn Daly. Pages that treat Glynn Daly as a separate person from Mary Glynn are mistaken. Searchers should also be careful not to confuse her with unrelated people who share the surname Daly, which is a common one.
James Daly and Tyne Daly: A Brief Background
To understand why readers search for Glynn, it helps to know a little about her family. Tyne Daly was born on February 21, 1946, in Madison, Wisconsin, and became a multiple Emmy winner for Cagney and Lacey, while their father James Daly was a respected actor of stage and television who lived from 1918 to 1978.
An Acting Family
James Daly built a career on Broadway and television, and his children followed him into the profession. Tyne Daly became one of the most honored actresses of her generation, while Tim Daly became known for Wings and later for Madam Secretary. Both have long public careers, which is the reason their siblings are searched for.
Tyne Daly married Georg Stanford Brown, and the couple were together from 1966 to 1990 and have three daughters. The entry on her does not mention Glynn.
Siblings Who Stayed Out of the Spotlight
Not every child in a famous family pursues the same career. The record does not describe a public career for Glynn Daly, and this article respects that.
Her Marriage to Mark Snow
Mark Snow is a composer best known for scoring The X-Files. Wikipedia’s entry on Tim Daly describes Mary Glynn as Snow’s wife. The record does not give the date of the marriage or any detail of their life together, and this article does not guess.
Why People Search for Glynn Daly
Interest in Glynn Daly typically arises among fans of Cagney and Lacey, Wings, and The X-Files who are curious about the lasting connections among artists they admire. Searches usually aim to confirm which Daly sibling she is and who she married. The reliable answers are that she is the sister of Tyne and Tim and the wife of Mark Snow.
The Daly Siblings
The four children of James Daly and Hope Newell grew up in a household of performers. Their parents married in 1942 and divorced in 1965, a timeline that places the children’s childhoods in the 1940s through the 1960s. This article does not describe their early lives in detail, because the record is thin for the siblings who did not pursue public careers.
Respecting a Private Person
A sibling of a famous actress is often searched for by name, but she is not a public figure simply because of a relative. Glynn Daly has not sought a public career, and the respectful approach is to rely on the facts that are already part of the public record and to avoid guesses about her age, work, or whereabouts.
Distinguishing Verified Facts From Content-Mill Speculation
Because Tyne Daly and Tim Daly are so well known, numerous lower-quality websites have published pages about their relatives that invent birth dates, professions, and personal histories. Reliable sources do not support those claims. Readers should treat any detailed profile of Glynn Daly found on such sites with strong skepticism and rely on the narrow set of facts presented here.
Some pages go further and repeat unverified personal claims about the late James Daly. This article does not repeat any of them, because they do not come from reliable sources.

What the Record Shows
The reliable record shows that Mary Glynn Daly is a daughter of James Daly and Hope Newell, a sister of Tyne and Tim Daly, and the wife of Mark Snow. It does not show her age, her occupation, or the date of her marriage, and this article does not invent them.
How to Read a Family Entry in a Reference Work
Reference works often record siblings in a single line: a name, a relationship, and nothing more. That is the case here. A short entry is not a sign that something is hidden. It usually reflects the fact that the person has never been the subject of independent reporting.
Readers who want more should look for primary sources, such as interviews given by the family, rather than aggregator pages that repeat the same line with decoration added.
Why Short Profiles Can Be the Most Honest
A short, accurate profile is often more useful than a long speculative one. When a person is not a public figure, there may not be enough reliable information to support a full biography, and pretending otherwise misleads readers.
Holding a Claim Loosely
Saying that something is reported, and not that it is true, protects both the reader and the person named.
A Responsible Way to Search
Anyone who wants accurate information about a celebrity’s family can start with the celebrity’s own public statements and with established reference works. If those sources are silent, silence is itself the answer. The impulse to keep searching until a page offers a biography should be resisted, because the pages that do are the least dependable.
The Legacy of James Daly
James Daly was a respected character actor whose work on stage and television earned him admiration among peers. His children carried the family name into later decades, and the success of Tyne and Tim Daly keeps interest in the household alive. Questions about the rest of the family naturally follow, and the answers are best drawn from reference works rather than from gossip.
He lived from 1918 to 1978, and his marriage to Hope Newell lasted from 1942 to 1965. Those dates frame the childhoods of all four children.
Mark Snow and the Daly Connection
Mark Snow is best known as the composer of the theme and score for The X-Files. His connection to the Daly family comes through his marriage to Mary Glynn, according to the entry on Tim Daly. The link means that a composer associated with one of television’s best-known science fiction series is also part of a family best known for acting.
A Creative Household
The combination of acting and music in one extended family is not unusual, but it is a pleasant detail for fans. This article draws no conclusions about shared projects, because the record does not describe any.
What Readers Can Safely Say
A reader who wants to repeat something accurate can say that Mary Glynn Daly is a daughter of James Daly and Hope Newell, a sister of Tyne and Tim Daly, and the wife of Mark Snow. Anything beyond those statements needs a stronger source than a content-farm page.
Why Name Variants Cause Confusion
Many people are known by a middle name in daily life but appear under a full formal name in reference works. When a search engine receives the shortened form, it often returns automated pages that treat the variant as a separate individual. That can produce duplicate profiles with conflicting details, none of them sourced.
The fix is to check the documented name, confirm the relationship in a reference work, and treat any page that adds an age, a job, or a hometown with caution.
Respecting Families of Famous Actors
Families of well-known actors are often curious subjects because audiences have watched the performers for decades. That familiarity can feel like permission to ask about everyone connected to them. It is not. The relatives who chose a quieter path are entitled to keep it, and a short factual article is the right way to acknowledge them.
A Final Word on Privacy
Choosing to stay out of the spotlight is a legitimate decision, and it should not be treated as a mystery to be solved. The fact that little is known about Glynn Daly is not a gap that readers are owed an answer to; it is the result of a private life that has stayed private.
Conclusion
Glynn Daly’s story, as far as it can be reliably told, is that of a daughter of James Daly and the sister of two well-known actors, who married the composer Mark Snow and stayed out of the public eye. The verified record is short, and it reflects that choice.
Her story is a reminder that behind many famous families are members whose lives deserve accuracy and respect, and that careful writing begins with the documented form of a name.
Frequently Asked Questions
Who is Glynn Daly?
She is recorded as Mary Glynn Daly, a daughter of actor James Daly and sister of Tyne Daly and Tim Daly.
Who is Glynn Daly married to?
Wikipedia identifies her as the wife of composer Mark Snow.
Is Glynn Daly an actress?
Reliable sources do not describe her as one.
Who are Glynn Daly’s siblings?
They are Tyne Daly, Tim Daly, and Pegeen Michael Daly.
What is Tyne Daly best known for?
She is best known for Cagney and Lacey, for which she won multiple Emmy Awards.









