People : Justina Costa to Lacy Costa
Kaitlyn Costa 2 people
Kara Costa 4 people
Karen Costa 38 people
Kari Costa 3 people
Karin Costa 2 people
Karina Costa 4 people
Karol Costa 4 people
Katelyn Costa 2 people
Katharine Costa 2 people
Katherine Costa 15 people
Kathleen Costa 32 people
Kathryn Costa 9 people
Kathy Costa 9 people
Katia Costa 2 people
Katie Costa 2 people
Katrina Costa 2 people
Kay Costa 2 people
Kaycee Costa 2 people
Kaye Costa 2 people
Kayla Costa 6 people
Keith Costa 12 people
Kelli Costa 6 people
Kellie Costa 3 people
Kelly Costa 20 people
Kenneth Costa 18 people
Kenny Costa 2 people
Keri Costa 4 people
Kerri Costa 5 people
Kerry Costa 3 people
Kevin Costa 40 people
Kim Costa 13 people
Kimberly Costa 25 people
Kleber Costa 2 people
Kristen Costa 18 people
Kristi Costa 2 people
Kristie Costa 2 people
Kristin Costa 6 people
Kristina Costa 6 people
Kristine Costa 10 people
Kristofer Costa 2 people
Kristoffer Costa 2 people
Kristopher Costa 3 people
Kristy Costa 4 people
Kyle Costa 6 people