People : Clinton Koo to Frank Koo
Connie Koo 6 people
Cynthia Koo 2 people
Damaris Koo 2 people
Daniel Koo 5 people
Danny Koo 2 people
Daryn Koo 2 people
David Koo 9 people
Diane Koo 2 people
Dong Koo 2 people
Douglas Koo 4 people
Edith Koo 2 people
Edward Koo 2 people
Edwin Koo 2 people
Elizabeth Koo 4 people
Emily Koo 2 people
Eng Koo 2 people
Eric Koo 3 people
Eun Koo 2 people
Felix Koo 2 people
Florence Koo 2 people