Theresa Rourke Cassidy

Name: Theresa Maeve Rourke Cassidy
AKA: Siryn, Banshee, "Terry"
Species: Human mutant
Date of birth: September 13, 1979
Place of birth: Ireland
Family: Maeve Rourke* (mother), Sean Cassidy (father), Sean Madrox* (son), Thomas "Black Tom" Cassidy (first cousin once removed/"uncle"/guardian)
Group affiliations: X-Force, X-Factor
Source universe: Marvel Comics
First appearance: comic book Spider-Woman #37 (1981)

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