People : Gretchen Gilligan to Johnathan Gilligan
Hannah Gilligan 3 people
Hazel Gilligan 3 people
Heather Gilligan 8 people
Helen Gilligan 3 people
Holly Gilligan 3 people
Irene Gilligan 3 people
Jack Gilligan 2 people
Jackie Gilligan 2 people
Jacqueline Gilligan 3 people
James Gilligan 63 people
Jamie Gilligan 3 people
Jan Gilligan 2 people
Jane Gilligan 7 people
Janet Gilligan 4 people
Janice Gilligan 6 people
Jay Gilligan 2 people
Jean Gilligan 4 people
Jeanne Gilligan 3 people
Jeffrey Gilligan 4 people
Jennifer Gilligan 20 people
Jerry Gilligan 4 people
Jessica Gilligan 9 people
Jill Gilligan 3 people
Jim Gilligan 2 people
Joan Gilligan 3 people
Joann Gilligan 3 people
Joanne Gilligan 3 people
Jodi Gilligan 2 people
Jody Gilligan 3 people
Joe Gilligan 3 people
John Gilligan 73 people