Bláthnaid is from Leixlip, Dublin. During her time with the ensemble, she sang as a second soprano. Bláthnaid studied Music and Drama at UCD. She attended Mount Sackville Secondary School in Castleknock and it is here where she took part in the Senior Choir, developing her love of choral music
In her spare time, Bláthnaid enjoys to act and dance with Theatreworx Productions Stage School.