There isn't anything known about her history.
Throughout From Dusk Till Dawn: The Series
Irma had medium length, wavy black hair and light brown eyes. She wore a light blue outfit with a pearl necklace.
She is friendly, but is seen to be quiet most of the time, as seen when the heist was happening. She also had an uneasy look as she watched Richie.
- Irma is a Germanic feminine name. It comes from the Old High German irmin, meaning "world".