relationships

Who is David Cassidy's daughter?

David Cassidy’s daughter is Katie Cassidy. She was born November 25, 1986, to actor David Cassidy and his then-wife Meryl Tanz. Katie Cassidy is an actress known for roles in...

Mara Ellison
Who is David Cassidy's daughter?

Direct answer: who is David Cassidy's daughter?

David Cassidy’s daughter is Katie Cassidy. She was born November 25, 1986, to actor David Cassidy and his then-wife Meryl Tanz. Katie Cassidy is an actress known for roles in series such as Supernatural, Arrow, and Harper’s Island. The following sections clarify paternity context, differentiate half-siblings, and provide verified details to address common points of confusion. Public information about Katie focuses on her acting career and the impact of her father’s celebrity on her professional life.

Background on David Cassidy

David Cassidy (1950–2017) was an American actor and musician famous as a teen idol through the Partridge Family and his solo music career. His high-profile marriage to actress Shirley Jones in the 1970s produced one biological child, Katie Cassidy’s half-brother, Shaun Cassidy. David’s subsequent marriage to Meryl Tanz produced Katie as their only child together. This parentage is consistent in biographical sources and essential when clarifying relationship terminology across sources.

Paternity and name clarity

Some confusion arises because David Cassidy was briefly married to actress Susan Dey in 1977. Katie is not Susan Dey’s daughter. The consistent record shows Katie is the biological daughter of David Cassidy and Meryl Tanz. Reliable outlets and reference works list Katie’s parents as David Cassidy (father) and Meryl Tanz (mother), with birth details confirming 1986. This avoids conflations with other celebrities named David Cassidy or with half-siblings from earlier or later marriages.

Katie Cassidy’s career highlights

Katie Cassidy began acting in the early 2000s and built a steady presence in American television. Her notable roles include:

  • Ruby Jean Reynolds and later Juliet O'Hara in Supernatural (2008–2009, 2019)
  • Laurel Lance / Black Siren in Arrow (2012–2019) and related Arrowverse series
  • Harper Miller in Harper’s Island (2009)
  • Katherine Nicole ‘Kouvert’ Lane in 90210 (2009–2010)

These roles illustrate sustained work in genre drama and serialized storytelling, contributing to her recognition apart from her parentage.

Half-siblings vs. full sibling distinctions

Because David Cassidy had children from multiple marriages, it’s important to distinguish relationships:

Relation typeNameConnection to David CassidyNotes
DaughterKatie CassidyBiological child with Meryl Tanz (married 1985–2004)Actress; born November 25, 1986
StepchildShaun CassidySon from David’s marriage to Shirley Jones (1970–1975)Actor and singer; born 1972; half-brother to Katie
StepdaughterCatherine ToumaFrom David’s marriage to Barbara Allen (1984–1987)Publicly referenced as stepdaughter in interviews
Former stepdaughterJamie LiddyDaughter from marriage to Susan Dey (1977)No biological relation; referenced as stepdaughter during that marriage

Katie is not a half-sibling to Shaun Cassidy or Catherine Touma; she is a half-sibling to no one with whom David shares a parental bond, but is the only biological child of David Cassidy and Meryl Tanz.

Common points of confusion

Misidentifications occur for several reasons:

  • Multiple high-profile marriages create complex family narratives.
  • Overlap in timelines can blur which relationships existed when.
  • Media sometimes uses simplified labels that omit step versus biological distinctions.

When sources refer to David Cassidy’s ‘daughter’ without specifying which, it can refer to Katie Cassidy or to Shaun in older contexts. Clarifying parentage and marriage timelines resolves most ambiguity.

Public perception and media coverage

Katie Cassidy’s public profile centers on her acting career and how her last name influences industry perceptions. Interviews often address balancing privacy with the legacy of a well-known parent. Coverage tends to focus on her projects, personal milestones, and choices around roles, rather than speculative commentary about family dynamics. This maintains a factual record while respecting boundaries.

How relationships are defined here

This article uses relationship definitions aligned with biographical standards:

  • Biological child: direct parent–child genetic relationship.
  • Stepchild: child from a spouse’s previous relationship, not a genetic relation.
  • Half-sibling: shared one biological parent, not both.

These distinctions prevent mislabeling and support consistent, verifiable descriptions across sources.

Reliable sources and verification

Information in this article is drawn from reputable outlets, published biographies, and credible reference works where available. When specifics such as birth dates or marriage years are cited, they reflect the best available public record. In cases of ambiguity, the article acknowledges uncertainty and avoids speculation. This approach supports accuracy and long-term usefulness.

Frequently asked questions

  • Is Katie Cassidy David Cassidy’s only child? She is his only biological child. He also has stepchildren from later marriages.
  • Does Katie Cassidy talk about her father publicly? She has referenced her father in interviews, often discussing how privacy and professional identity intersect.
  • Are there half-siblings closer in age to Katie? Shaun Cassidy is older; Catherine Touma and other step-relations have different upbringings and public profiles.

Why precise language matters

Using precise terms—daughter, stepchild, half-sibling—reduces confusion in family trees and media coverage. For researchers, journalists, and readers, clarity supports more accurate histories and better comparisons across sources. This article prioritizes that clarity at every point.

Related Reading

More pages in this topic cluster.

Ted Lasso and Jamie Tartt: Their On-Screen Relationship Explained

The question of how Ted Lasso and Jamie Tartt relate centers on a charismatic but initially selfish young footballer and the empathetic, steadfast coach who challenges him. On p...

Read next
Emilia and Kit: A Detailed Relationship Breakdown

Emilia and Kit are two individuals often referenced together, prompting questions about who they are, their relationship, and their backgrounds. This explainer outlines their id...

Read next
Who Is Brendan Fraser's Current Wife: A Verified Relationship Profile

As of 2025, Brendan Fraser’s current wife is actress Shasta McNeal . They married privately in 2022 and have maintained a relatively low public profile compared to Fraser’s...

Read next