Niamh McCormack is a rising Irish actress capturing global attention with her powerful performances on screen and deep connections to Irish history. In Netflix’s “House of Guinness,” Niamh McCormack plays Ellen Cochrane, a whip-smart, fiercely determined street campaigner deeply involved in the Irish Republican Brotherhood (IRB) in 1860s Dublin. Her own family’s revolutionary history influences her character’s personal drive, grounding her activism in a quest for freedom while also challenging the male-dominated establishment.
Niamh McCormack’s story stands as a modern tale of resilience and creative ambition. Emerging from Dublin’s vibrant arts scene, she quickly carved a name for herself in modeling and acting, balancing a growing filmography with an authentic Irish pride.
This comprehensive biography reveals the journey of House of Guinness actress Niamh McCormack from a Dublin upbringing to international stardom, providing up-to-date insights into her career, family, relationships, and public profile.
Niamh McCormack Facts
| What is Niamh McCormack’s age? | 24 years (born January 17, 2001) |
| How tall is Niamh McCormack? | Approximately 5’7” (170 cm) |
| Who are Niamh McCormack’s parents? | Annie Gribbin (makeup artist) and Paddy McCormack (publican) |
| Does Niamh McCormack have a boyfriend? | She is currently single and keeps her dating life private |
| Does she have any children? | No, she does not have children |
| What is her net worth? | Estimated $500,000–$1 million in 2025 |
| Is Niamh McCormack on Instagram? | Yes, @niamhhmccormack_ |
| What is her latest project? | Starring as Ellen Cochrane in Netflix’s “House of Guinness” (2025 |
Early Life and Background
Niamh Rose McCormack was born on January 17, 2001, in Dublin, Ireland. Niamh is the daughter of renowned makeup artist Annie Gribbin and publican Paddy McCormack; her parents separated when she was an infant, so she was mostly raised by her mother.
After facing bullying at school, she opted for homeschooling, completing her Leaving Cert at a private college before training at the prestigious Bow Street Academy, graduating in 2019.
Her family has deep Irish roots, including a direct connection to the Irish Republican Brotherhood; her great-grandfather was a First Lieutenant in the IRB, which has fueled her passion for historical dramas.
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Career Highlights and Achievements
House of Guinness actress Niamh McCormack began modeling at age 14 with leading Irish brands and appeared at Milan Fashion Week by 16. Niamh broke into acting with the short film Lily, later reprising her role in the feature “Who We Love” (2021), her film debut.
Major TV credits include Netflix’s “The Witcher,” Disney+’s “Willow,” and the acclaimed “Everything Now,” where she played Alison in the main cast.
In 2025, she stars as Ellen Cochrane in Netflix’s historical drama “House of Guinness,” a career-defining role intertwining her lineage with Irish revolutionary history. She is also cast in Sky’s “Small Town, Big Story” and the upcoming miniseries “Cold Mind,” with ambitions to write and develop original projects in the future.
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Who Is Niamh McCormack Boyfriend, Is She Dating Someone Or Single?
As of September 2025, Niamh McCormack appears to be single. While there were rumors in 2022 of a relationship with a co-star (possibly from “Willow”), McCormack has never publicly confirmed dating anyone, and her social media remains focused on her craft and friendships.
House of Guinness actress Niamh McCormack prefers to keep her romantic life private and is highly dedicated to her acting career and close ties with her family. She may be dating someone, but details of her boyfriend are not made public as of yet. Likewise, Niamh McCormack has not talked about her relationship or been vocal about it in her interviews or any of her statements.
Age, Height, and Physical Attributes
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Date of Birth: January 17, 2001 (Age: 24 as of 2025).
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Height: Approximately 5’7” (170 cm).
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Eye Color: Blue.
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Build: Slim and athletic, well-suited to both modeling and action roles.
How Much Is Niamh McCormack’s Net Worth in 2025?
House of Guinness actress Niamh McCormack’s net worth, income, and assets are estimated to be between $500,000 and $1 million in 2025, driven by her fast-rising career in film, TV, and modeling.
Niamh is known for maintaining a cosmopolitan lifestyle, splitting her time between London and Dublin, and enjoying travel and fashion.
Social Media Presence
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Instagram: Active under @niamhhmccormack_, where she shares career updates, fashion moments, and advocacy for Irish arts (recently surpassed 30K followers).
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Other Platforms: She isn’t widely active on TikTok but is recognized for connecting with fans through Instagram stories and posts.
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