One Chicago & The FBIs Wiki
Gianna Mackey
Name: Gianna Mackey
Profession: Paramedic
Marital status: Single
Status: Alive
Cause of departure: Transferred to Firehouse 33 as Paramedic in charge
Portrayed by: Adriyan Rae
First episode: Fire: Rattle Second City
Last episode: Fire: Double Red

Gianna Mackey was a paramedic of Ambulance 61 at Firehouse 51 in Chicago Fire. She transferred to Firehouse 33 as Paramedic in charge.


Gianna Mackey is "a lovable troublemaker with a twinkle in her eye". She is also "charming, scrappy, fun, witty and good-natured". Gianna comes from a family of working-class parents who are adored by their community. This makes Gianna welcoming and friendly individual who treats everyone like family - but don’t get it twisted. She’s no pushover. She’s tough and quick to defend the defenseless, isn’t afraid of a little chaos and rolls with the punches while approaching everything with a bit of wry humor.



Chicago Fire
Seasons Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11
Current characters Kelly SeverideSylvie BrettChristopher HerrmannJoe CruzRandy "Mouch" McHollandStella KiddBlake GalloDarren RitterViolet MikamiWallace Boden
Former characters Hallie ThomasLeslie ShayPeter MillsJessica "Chili" ChiltonJimmy BorrelliGabriela DawsonBrian "Otis" ZvonecekEmily FosterGianna MackeyMatthew Casey