No she isn't an Auntie
auntie = tía
Auntie is capitalized when it precedes a person's name. Example: Dear Auntie Carol, Her Auntie Luisa is attending the meeting tonight.
The cast of Auntie - 2013 includes: Marcia Burrowes as Auntie
Carries auntie
Aunty's if you call her Aunty; Auntie's if you call her Auntie.
Auntie BEEB - the BBC
My Young Auntie was created in 1981.
Auntie Freeze was created in 1986.
Auntie Jen is 5' 6".
aunt/auntie: shangazi
Auntie Mame was created in 1955.