Siryn
Theresa Maeve Rourke Cassidy
Created by Steve Englehart & Jim Mooney
First Appearance
Spider-Woman #37 (1981)
Appearances
325
Primary Team
X-Force
Debut Era
1980s
Daughter of Banshee, Siryn inherited her father's sonic scream and eventually his codename. A natural leader who co-led X-Force and later anchored X-Factor Investigations, she struggled with alcoholism and her father's death with a rawness unusual for superhero comics. Later became the Morrigan, an Irish death goddess.
Appearances Over Time
Series
Most Appearances By Series
X-Force (1991) 106 issues
X-Factor (2006) 96 issues
Deadpool (1997) 13 issues
X-Factor (2006) 10 issues
The Uncanny X-Men (1981) 8 issues
Fallen Angels (1987) 8 issues
Cable (1993) 7 issues
New X-Men (2001) 6 issues
X-Man (1995) 6 issues
X-Factor (2020) 5 issues
Events
Event Participation
First Appearance
Spider-Woman #37
1981
First X-Men Appearance
X-Force #3
October 1991