How Old Is Kourtney Kardashian's Son?

Kourtney Kardashian’s son is Mason Dash Disick. As of 2024, Mason was born on December 14, 2009, making him 14 years old. He is the eldest child of Kourtney Kardashian and former partner Scott Disick. Mason has two younger siblings, Penelope Scotland Disick and Reign Aston Disick, and a half-sister, Kylie Jenner. Public birth records and media appearances confirm these dates. This evergreen overview explains Mason’s age, key developmental milestones, and how his public profile has evolved with minimal personal commentary from his family.

Mason Dash Disick At a Glance

Mason Dash Disick is the firstborn child of Kourtney Kardashian and Scott Disick. His birth in 2009 was widely covered due to the family’s visibility. Below is a quick reference table summarizing key, publicly documented facts about Mason’s identity, birth timeline, and immediate family connections.

Key Dates in Mason’s Early Life

Placing Mason’s age within his family timeline helps clarify relationships and generational context. The following milestones are supported by publicly reported dates and announcements.

Birth and First Years (2009–2011)

• December 14, 2009: Mason Dash Disick born.
• 2010–2011: Early appearances on Keeping Up with the Kardashians, where his parents’ relationship and co-parenting were featured.

Sibling Additions (2012–2014)

• July 10, 2012: Sister Penelope Scotland Disick born.
• December 14, 2014: Brother Reign Aston Disick born, on Mason’s fifth birthday.

Later Family Developments (2015–2023)

• 2015: Parents’ relationship transitions continue; co-parenting remains public focus.
• 2020–2023: Mason appears in select family content, maintains a relatively private personal social media presence.

Age Calculations and Context

Because Mason was born in 2009, his age changes each year on December 14. If today’s date is before December 14 in a given year, his age is that year minus 2009 minus 1. After his birthday, it is simply that year minus 2009. Below is a concise age table for reference through the mid-2020s.

Public Presence and Privacy

Mason has appeared periodically on reality television and in curated family social posts, but he has largely maintained a private personal life. His parents have discussed co-parenting decisions in interviews, emphasizing stability and normalcy. As he ages, public interest in his milestones often intersects with broader conversations about child fame and media exposure, making informed, factual reporting essential.

Relationship to the Kardashian-Jenner Family

Mason is part of the extended Kardashian-Jenner network, which includes multiple half-siblings through his mother’s marriage to Kris Jenner and his parents’ high-profile careers. His half-sisters Kylie and Kendall Jenner are prominent media personalities; his sisters Penelope and Reign are his primary sibling relationships. Understanding these connections clarifies how family events and public moments may involve him indirectly while respecting his personal boundaries.

Why Age and Birthdate Matter in Public Discourse

For children of celebrities, age and birthdate are more than biographical details. They anchor timelines that affect custody arrangements, schooling, and legal considerations in high-profile cases. Correctly citing Mason’s age supports responsible reporting and reduces confusion in ongoing family narratives. As he continues to grow, these factual anchors remain important for journalists, researchers, and audiences seeking clarity.