Kerry-Ann Harrington Biography: Height, Age, Parents, Net Worth, Ethnicity, Siblings, TikTok, Songs
Kerry-Ann McCreery, also known as Kerry-Ann Harrington, is an Irish singer-songwriter and one half of the sibling music duo The KK Sisters.
Born on February 4, 2005, she began her musical career early, becoming a Junior Eurovision Éire finalist, performing on Irish television, releasing original pop music, and later building a substantial social-media audience alongside her younger sister, Katelyn Harrington.
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| Real Name: | Kerry-Ann McCreery |
| Stage Name: | Kerry-Ann Harrington |
| Born: | February 4, 2005 (age 21 years old) |
| Place of Birth: | Kilcock, Ireland |
| Nationality: | Irish |
| Ethnicity: | Irish |
| Height: | 165cm (5 ft 5 in) |
| Religion: | Catholicism |
| Parents: | Mr. and Mrs. Harrington |
| Siblings: | Katelyn Harrington |
| Occupation: | Singer, songwriter, performer |
| Net Worth: | $250,000 |
Early life and education
Kerry-Ann Harrington was born on February 4, 2005, 21, in Kilcock, Ireland. Kerry-Ann Harrington was born to Mr. and Mrs. Harrington.
Her ethnicity is Irish. She grew up alongside Katelyn Harrington. Her religion is Catholicism. Music played an important role in Kerry-Ann Harrington’s formative years. By her teenage years, she had already received vocal coaching and begun performing at public events, on radio, and in theatre productions.
During her school years, she studied at Mercy College, Sligo, where she was a Transition Year student in 2020. She also received vocal training from Jonathan Carter of Strandhill and later worked on her original material under the guidance of vocal coach Kim Hayden.
Career
Kerry-Ann Harrington began building her professional music profile as a young performer, competing in Irish singing competitions and appearing on stage before gaining national attention.
One early milestone came in 2018, when she entered Junior Eurovision Éire. Performing “Tóg Mo Lámh,” she won second place in the semi-final.
She advanced to the grand final, becoming one of the six finalists competing for the opportunity to represent Ireland at the Junior Eurovision Song Contest. Her development continued into her teenage years.
By 2020, she appeared on Réalta agus Gaolta, a TG4 talent programme, alongside her younger sister, Katelyn Harrington. The sisters reached the final stage of the competition after performing together and receiving praise from the programme’s judges. At the time, Kerry-Ann Harrington was also preparing original music and working toward an album.
In the early 2020s, Kerry-Ann Harrington expanded her work as a singer-songwriter. She is credited with four original songs, is signed to a US record label, and also released the pop songs “Cold,” “Fire,” and “Motion of Love.”
Her music combined contemporary pop production and a vocal-focused style, helping establish her as a young Irish recording artist. A major new chapter began alongside Katelyn Harrington. The sisters formed The KK Sisters, creating original songs and vocal covers for social platforms.
Their performances of songs such as “Only Love Can Hurt Like This” and “Creep” attracted millions of views, while their TikTok presence grew rapidly.
Kerry-Ann Harrington is credited as a vocalist, songwriter and composer/lyricist on “How Does One Do That?”, released by Collective Mgmt. By 2026, The KK Sisters were performing live in major Irish venues and supporting the K-Pop Forever! Irish tour.
Social Media
- TikTok Handle: @thekksistersofficial
- Instagram Handle: @thekksistersofficial
- Solo TikTok/creator account: @KerryAnnRosee
Personal Life
Kerry-Ann Harrington is 21 years old and is currently single; she is not married. There is no information about her past relationship. No details are provided about children. She is 165cm (5 ft 5 in) tall. She currently lives in Kilcock, Ireland, keeping her primary residence close to her family.
Her personal activities and daily hobbies center on practicing vocal melodies, exploring local Irish nature landscapes, and creating short-form lifestyle clips.
She spent much of her teenage and young-adult life performing alongside Katelyn, developing vocal arrangements, recording original material and creating music content for social platforms.
The sisters have also appeared at venues and festivals across Ireland, including the National Concert Hall, National Stadium, Kaleidoscope Festival and Grafton Street.
Net worth
Kerry-Ann McCreery’s net worth is $250,000. She earns most of her income as a singer-songwriter, live performer, and recording artist.
Her musical earnings come from original songs, digital music releases, and live appearances and performances. Her work with The KK Sisters adds another income stream, particularly as the duo has built a large audience on TikTok and other digital platforms.
The sisters’ recorded catalogue, including “River,” “How Does One Do That?” and “Thats so True,” generates streaming and digital royalties. Kerry-Ann also receives professional value from songwriting and composition credits, including her contribution to “How Does One Do That?”.
Her substantial social-media audience creates additional revenue potential from platform monetization, promotional partnerships, and sponsored music content.
Live performances, festival appearances and touring activities also contribute to her professional earnings, particularly as The KK Sisters continue performing at major Irish events.
Discography
- Motion of Love
- Cold
- Fire
- River
- How Does One Do That?
What People Ask
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