Tahirah was born in South London, England to a Pakistani mother and Jamaican father. She trained at The BRIT School for Performing Arts as well as Identity School of Acting where she studied Theatre.

Tahirah is probably most well known for playing 'Miss Rebecca Jessel' in the Netflix series The Haunting of Bly Manor created by Mike Flanagan, a follow-up to the American anthology supernatural horror drama series The Haunting of Hill House.

Tahirah is well known in the UK for her television credits including ITV crime drama The Tower, which she received a Supporting Actress BAFTA nomination for in 2022.

On the big screen, Tahirah can be seen in Ralph Fiennes' The Invisible Woman and Film 4's See Me alongside Academy Award winner Olivia Colman.

As well as her screen work, Tahirah's passion for theatre has been prevalent throughout her career, and is evident from her credits, which include the lead in the National Theatre's production of Moon on a Rainbow Shawl, and the critically acclaimed 3-hander Firebird, which originated at Hampstead Theatre, and later transferred to Trafalgar Studios in the West End.

Tahirah currently resides in her hometown of London.