Mari Grug Biography: Net Worth, Husband, Age, Children, Height, Cancer, Movies, Career
Mari Grug is a respected Welsh television presenter, actress, and radio personality known for her engaging work on S4C and BBC Radio Cymru.
She has become a familiar face through daily programs such as Heno and Prynhawn Da, while also gaining admiration for her openness about her metastatic breast cancer diagnosis, sharing her journey through a podcast, book, and documentary to raise awareness.
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Quick Facts
- Full Name: Mari Grug Davies
- Stage Name: Mari Grug
- Born: August 27, 1984
- Age: 41 years old
- Birthplace: Mynachlog-ddu, Pembrokeshire, Wales
- Nationality: Welsh British
- Occupation: Television Presenter Actress Radio Personality
- Height: Unknown
- Religion: Unknown
- Parents: Mr. and Mrs. Grug
- Siblings: Lisa
- Spouse: Gareth
- Children: Three children
- Relationship: Married
- Net Worth: 500,000 to 2 million dollars
Early Life And Education
Mari Grug was born on August 27, 1984, and raised on a farm in Mynachlog-ddu, Pembrokeshire, Wales.
She grew up in a Welsh-speaking rural community. Her ethnicity is Welsh.
Religion is unknown. She was educated at Ysgol y Preseli and later studied Welsh at the University of Wales, Cardiff.
She began her career early, acting in the youth drama series Darn o Dir on S4C as a teenager.
Career
Mari Grug started as a children’s presenter on S4C’s Planed Plant continuity service in 2006, also appearing in drama series like Darn o Dir and hosting game shows such as Sioe Gwobrau Mawr and WAP!
She has presented major Welsh cultural events including the Urdd, National Eisteddfod, and Royal Welsh Show, and served on the weather team for six years.
She now presents the popular daily programs Heno and Prynhawn Da on S4C and contributes regularly to BBC Radio Cymru.
In addition, she hosts the Welsh-language podcast 1 mewn 2 discussing cancer experiences.
She authored the book Dal i fod yn fi and featured in the 2025 S4C documentary Mari Grug: Un dydd ar y tro, following her treatment.
Her advocacy has highlighted resilience and awareness in the face of metastatic breast cancer, diagnosed in 2023.
Social Media
- Instagram handle: @marigrug
Personal Life
Mari Grug is married to Gareth and is a mother of three young children. She resides in Mynachlog-ddu, Pembrokeshire.
Diagnosed with breast cancer in 2023 at age 38, which spread to her lymph nodes and liver, she has undergone chemotherapy, surgery, radiotherapy, and ongoing treatment.
She has shared moments of hope, including clear liver scans in 2024, while emphasizing her desire to live fully for her family.
Her younger sister Lisa was also diagnosed with breast cancer. She remains deeply connected to her Welsh roots, language, and community.
Her height is unknown.
Net Worth
Mari Grug estimated net worth ranges from 500,000 to 2 million dollars.
Her earnings come mainly from her long standing work in television presenting, radio, podcasting, writing, and public appearances, including major roles on S4C programs, cultural event hosting, and contributions to Welsh-language media.
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