People : Marianne Costigan to Louise Costigan-kerns
Marie Costigan 4 people
Mark Costigan 4 people
Mary Costigan 12 people
Maureen Costigan 4 people
Megan Costigan 2 people
Meghan Costigan 2 people
Melissa Costigan 3 people
Michael Costigan 17 people
Nikola Costigan 2 people
Nora Costigan 2 people
Patricia Costigan 6 people
Patrick Costigan 8 people
Paul Costigan 4 people
Peter Costigan 2 people
Polly Costigan 2 people
Priscilla Costigan 3 people
Richard Costigan 5 people
Robert Costigan 7 people
Roberta Costigan 2 people
Robt Costigan 2 people
Ronald Costigan 3 people
Ryan Costigan 3 people
Sandra Costigan 3 people
Seamus Costigan 2 people
Sean Costigan 4 people
Sheila Costigan 4 people
Stanley Costigan 2 people
Stephen Costigan 6 people
Susan Costigan 6 people
Susanne Costigan 2 people
Tabatha Costigan 5 people
Theresa Costigan 2 people
Thomas Costigan 8 people
Timothy Costigan 4 people
Wayne Costigan 4 people
William Costigan 18 people