Key Timeline at a Glance
Kourtney Kardashian was born on April 18, 1979. She began a high-profile relationship with Scott Disick in the mid-2000s, and their first child, Mason Dash Disick, was born on December 14, 2009. Below is a concise, source-aligned table summarizing the relevant dates and her age at key milestones.
| Event / Attribute | Verified Detail | Source Type |
|---|---|---|
| Date of birth | April 18, 1979 | Public records / biographies |
| Age at Mason’s birth | 30 years old (turned 30 in April 2009; baby born December 2009) | Calculated from verified dates |
| Mason Dash Disick birth date | December 14, 2009 | Public announcements |
| Relationship with Scott Disick start | Approximately 2006–2007 (publicly documented) | Media reports / timelines |
| Subsequent children | Penelope Scotland (July 10, 2012, age 33);Reign Aston (December 14, 2014, age 35) | Public records |
Kourtney Kardashian’s Background
Born on April 18, 1979, Kourtney Kardashian is the eldest daughter of Kris Jenner and Robert Kardashian. She rose to prominence through the reality series Keeping Up with the Kardashians and built a public profile centered on family, business ventures, and personal milestones. Her romantic relationship with Scott Disick became a focal point of media coverage in the late 2000s, culminating in the birth of their first child.
When Did Kourtney Kardashian Have Rocky (Mason Dash Disick)?
Kourtney’s first child with Scott Disick, Mason Dash Disick, was born on December 14, 2009. She was 30 years old at the time of his birth, having turned 30 earlier that year in April. This timeline is consistently reported across biographies, interviews, and public records. There was no overlap with her on‑screen pregnancies for the show, as those were staged for production; Mason’s birth followed her natural pregnancy timeline.
Context Around the Relationship and Pregnancy
Kourtney and Scott’s relationship began around 2006 and quickly became central to the series. Prenatal coverage and announcements in 2009 led to heightened media attention. Mason’s arrival in December 2009 was widely covered, and Kourtney balanced filming commitments with new motherhood in the subsequent years.
Subsequent Children and Age Comparisons
Kourtney later had two more children with Scott: Penelope Scotland (born July 10, 2012, when she was 33) and Reign Aston (born December 14, 2014, when she was 35). These milestones are documented in public announcements and episodes of the family’s reality programming.
| Child | Birth Date | Kourtney’s Age at Birth |
|---|---|---|
| Mason Dash Disick | December 14, 2009 | 30 |
| Penelope Scotland Disick | July 10, 2012 | 33 |
| Reign Aston Disick | December 14, 2014 | 35 |
Relationship Timeline at a Glance
Understanding when Kourtney had Rocky requires placing the event within the broader arc of her relationship with Scott Disick and the family’s public narrative.
- 2006–2007: Relationship begins and becomes televised.
- 2009: Pregnancy and birth of Mason Dash Disick; Kourtney is 30.
- 2012: Birth of Penelope Scotland; Kourtney is 33.
- 2014: Birth of Reign Aston; Kourtney is 35.
Clarifying On‑Screen vs. Off‑Screen Pregnancies
Throughout the series, producers staged storylines that blurred the line between entertainment and personal life. Viewers sometimes conflated scripted moments with real events. In Kourtney’s case, Mason’s birth was a genuine milestone, distinct from any staged plot. Subsequent children also followed natural timelines, documented through announcements and episodes.
Public and Media Response
Mason’s birth intensified media focus on Kourtney and Scott as a high‑profile couple. Coverage emphasized her transition to motherhood while managing professional commitments. Over time, the family’s brand expanded into entrepreneurship, further anchoring Kourtney’s public relevance beyond the original series.
Conclusion
Kourtney Kardashian was 30 years old when she had Rocky (Mason Dash Disick) on December 14, 2009. The relationship with Scott Disick and the births of their three children are well documented through public records, interviews, and the family’s long‑running reality series. These dates and ages are verifiable and form a stable part of her public biography.