People : Brannon Costello to Charlene Costello
Breanna Costello 2 people
Brenda Costello 12 people
Brendan Costello 13 people
Brenna Costello 3 people
Brent Costello 2 people
Brett Costello 3 people
Brian Costello 98 people
Briana Costello 2 people
Brianna Costello 2 people
Bridget Costello 10 people
Brigid Costello 2 people
Brigido Costello 2 people
Brittany Costello 6 people
Bruce Costello 5 people
Bryan Costello 9 people
Brynn Costello 2 people
Caitlin Costello 17 people
Calvin Costello 2 people
Cameron Costello 3 people
Candice Costello 3 people
Cara Costello 3 people
Carl Costello 9 people
Carla Costello 7 people
Carly Costello 3 people
Carmen Costello 7 people
Carol Costello 49 people
Carolann Costello 4 people
Carole Costello 4 people
Caroline Costello 6 people
Carolyn Costello 12 people
Carrie Costello 6 people
Caryn Costello 2 people
Casey Costello 7 people
Cassandra Costello 4 people
Catherine Costello 34 people
Cathleen Costello 6 people
Cathy Costello 10 people
Celeste Costello 3 people
Chad Costello 9 people
Charlene Costello 5 people