5 Surprising Facts About Scarlett Johansson's Son, Cosmo Jost: Name Origin, Age, And Latest Updates (2024)

Scarlett Johansson, one of Hollywood’s most private and celebrated actresses, has successfully kept her family life with husband Colin Jost largely out of the public spotlight. As of December 2024, the couple's son, Cosmo Jost, continues to be a subject of immense curiosity for fans, especially given the unique nature of his name and the rare glimpses of information the parents share. This deep dive uncovers the most recent and fascinating details about the youngest member of the Johansson-Jost household, from his current age to the hilarious story behind his celestial name.

The latest updates regarding Cosmo, who was born in August 2021, reveal a charming blend of his parents’ personalities, from his mother's pop culture interests to his father's comedic influence. While public photos remain non-existent, Johansson and Jost have recently opened up about their son’s early childhood, the challenges of co-parenting, and the surprising details surrounding his birth announcement, providing a fresh look into the life of the celebrity toddler.

Cosmo Jost: Complete Profile and Biography

Cosmo Jost is the first child of actress Scarlett Johansson and her third husband, comedian and Saturday Night Live star Colin Jost. He is the second child for Johansson, who also has a daughter, Rose Dorothy Dauriac, from a previous marriage. The couple maintains a strict privacy policy regarding their son, rarely sharing details or photos publicly.

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• Full Name: Cosmo Jost
• Date of Birth: August 18, 2021
• Current Age (as of December 2024): 3 years old
• Parents: Scarlett Johansson (Mother) and Colin Jost (Father)
• Sibling: Rose Dorothy Dauriac (Half-Sister)
• Place of Birth: United States
• Nationality: American
• Known For: Son of two major Hollywood figures; his unique, celestial-themed name.

The Hilarious and Surprising Story Behind the Name 'Cosmo'

The name "Cosmo" immediately sparked public interest when Colin Jost confirmed the birth of their son on Instagram in August 2021. The name, which means "order" or "the universe" in Greek, is certainly unconventional, and Scarlett Johansson has since revealed the surprising family drama it caused.

The Mother-in-Law’s Initial Reaction

One of the most shared anecdotes about Cosmo’s name involves Colin Jost’s mother. Johansson recounted that Jost’s mother, initially, was not a fan of the name. She had a difficult time accepting it and suggested alternative names to the couple. This struggle was a source of light-hearted tension, as the name was a significant departure from more traditional choices.

Johansson explained that Jost's mother eventually came around, but only after she met other people who had sons named Cosmo. The actress joked that the name "Cosmo" was "a little aggressive" for her mother-in-law's taste, highlighting the relatable family dynamics that even A-list celebrities experience.

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Why They Kept the Name Private at First

The couple also chose to keep Cosmo's name private for the first few months after his birth. Johansson explained that this decision stemmed from a desire to avoid "weird" reactions from the public and even their own family members, acknowledging the name's unique nature. They wanted to enjoy the initial period of parenthood without the scrutiny that comes with a celebrity baby announcement. Colin Jost eventually confirmed the name on his Instagram with a simple, direct post: "Ok ok we had a baby. His name is Cosmo. We love him very much. Privacy please."

Fresh 2024 Updates: Chappell Roan, Privacy, and Personality

Despite their commitment to privacy, both Johansson and Jost have shared rare, recent updates that paint a picture of Cosmo’s emerging personality and their life as a family of four in late 2024. These anecdotes are crucial for fans seeking current information about the young celebrity son.

A Shared Love for Chappell Roan

In a recent interview, Scarlett Johansson gave a rare update, revealing a surprising musical interest she shares with her three-year-old son. She mentioned that both she and Cosmo are fans of the rising pop star Chappell Roan. This small detail offers a charming glimpse into their daily life, showing that even a toddler is absorbing the latest in pop culture alongside his mother.

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Cosmo and His Sister Rose Dorothy Dauriac

Cosmo's older half-sister is Rose Dorothy Dauriac, whom Johansson shares with her ex-husband, Romain Dauriac. Rose, who is significantly older than Cosmo, has reportedly embraced her role as a big sister. Colin Jost has spoken about the dynamic between the two children, noting that Rose is a "very sweet" and caring older sibling, helping to create a harmonious blended family environment. This co-parenting and sibling relationship is a key part of Cosmo’s upbringing.

Colin Jost’s Insights on Fatherhood

Colin Jost has also shared his perspective on fatherhood and Cosmo's relationship with his mother. He has described the experience as a profound and transformative one, often using his comedic lens to talk about the challenges and joys of raising a young child. Jost has spoken about Cosmo taking after him in certain comedic ways, suggesting the toddler may be inheriting his father's funny genes, even at a young age.

The Blended Family Dynamic: Rose Dorothy and the Josts

The Johansson-Jost family is a modern blended unit, centered around the well-being of both children, Rose Dorothy and Cosmo. The relationship between Scarlett Johansson and Colin Jost, which began after her second marriage, has been marked by a commitment to maintaining a private and stable home life.

Co-Parenting and Privacy

Scarlett Johansson has consistently prioritized her children's privacy above all else. She has been vocal about the importance of shielding them from the intense media spotlight that follows her career. This commitment is why Cosmo has not been photographed publicly and why the family rarely attends public events together. This protective stance ensures that both Cosmo and Rose can experience a semblance of a normal childhood despite their parents’ fame.

The Importance of Family Time

The family spends a significant amount of time together, balancing their high-profile careers with dedicated family moments. Johansson has often mentioned the joy of simple, everyday activities with her children. The blend of a Hollywood superstar mother and a renowned comedian father creates a unique, creative, and likely very humorous household for both Cosmo and Rose. The family often splits time between their homes, including their residence in the Hamptons, offering different environments for the children to grow up.

Cosmo Jost, though only a toddler, is already a fascinating figure due to his parents' star power and their determined efforts to keep his life private. The occasional, carefully chosen anecdotes shared by Scarlett Johansson and Colin Jost—from the name drama to his taste in music—offer just enough insight to satisfy public curiosity while firmly maintaining the boundaries necessary for a healthy, private upbringing in the glare of the celebrity world. As he continues to grow, fans will undoubtedly look forward to the rare, charming updates that his parents choose to share.