People : Kate Koo to Mae Koo
Katherine Koo 3 people
Kathy Koo 2 people
Kenny Koo 2 people
Kim Koo 7 people
Kimberly Koo 2 people
Kirby Koo 2 people
Kristina Koo 2 people
Kwan Koo 2 people
Kwang Koo 2 people
Kwok Koo 4 people
Kyong Koo 3 people
Kyung Koo 4 people
Lai Koo 3 people
Lawrence Koo 2 people
Lee Koo 12 people
Leslie Koo 2 people
Lillian Koo 2 people
Lily Koo 3 people
Lim Koo 2 people
Lucy Koo 2 people
Lynda Koo 2 people