Surname Kainalu (Kainalu 
) , all over the world, is an extremely rare cognomen. Much more frequently, Kainalu is the forename as well as the last name.
See, Jaquez, Torres, Eva-Smith, Montero, Spencer, Antonio, Chmolack, Brummel, Kealoha, Kunalai, Jimenez, Nichols, Vasquez, Vianzos, Froiseth, Ortogero, Unciano, Medeiros, Gaspersz, Bachiller, Gonsalves, Gasper, Kiyuna, Busque, Bailey, Aki, Lau, Sang, Asam, Kapu, King, Kihe, Wong, Monis, Aduca, Tolentino, Ching, Cuico, Kamai, Kaili, Ramos, Grace, Nolan, Malama, Mahiko, Barino, Barlow, Costa, and Castellano