Kai uiga igoa sili: Po nei, Foafoa, Volatile, Gauai, Agalelei. Aumai Kai uiga o le suafa.
Marti uiga faaiu sili: Laki, Po nei, Fiafia, Lē ma vāloia, Matuia. Aumai Marti uiga o faaiu.
Kai amataga o le igoa muamua. Meaning uncertain, possibly a Frisian diminutive of Gerhard, Nicolaas, Cornelis or Gaius. Aumai Kai amataga o le igoa muamua.
Faʻaiu Marti taatele i Andorra, Spain, Sueteselani. Aumai Marti faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Kai: KIE (i Siamani, i Swedish, i Finnish). E faapefea e faalauiloa Kai.
Igoa tutusa mo Kai i atunuu ma gagana eseese: Caio, Caius, Col, Colin, Collin, Connie, Cornélio, Corneille, Cornel, Cornelio, Corneliu, Cornelius, Gaios, Gaioz, Gaius, Gearóid, Gérard, Gellért, Gerard, Gerardo, Gerhard, Gerrard, Gherardo, Jerrard, Kajus, Klaas, Klaos, Kolos, Kornél, Kornel, Korneli, Miklavž, Miklós, Mikołaj, Mikoláš, Miksa, Mikula, Mikuláš, Mykola, Neacel, Neculai, Nic, Niccolò, Nichol, Nicholas, Niĉjo, Nick, Nickolas, Nicky, Nico, Nicol, Nicola, Nicolás, Nicolae, Nicolao, Nicolaos, Nicolas, Nicolau, Nicolaus, Nicolò, Nicu, Nicușor, Nigul, Nik, Nika, Niko, Nikola, Nikolai, Nikolaj, Nikolajs, Nikolao, Nikolaos, Nikolas, Nikolay, Nikoloz, Nikora, Nikusha, Nioclás, Sjra. Aumai Kai i isi gagana.
Surnames taatele ma igoa Kai: Ogutu, Lossgott, Yamashita, Sholar, Ostertag. Aumai Lisi o surnames ma igoa Kai.
O le tele o igoa tutusa ai ma faaiu Marti: Suzanna, Joshua, Nicky, Janee, Fernando. Aumai Igoa e aumai faatasi Marti.
Ogatasi o Kai ma Marti o 77%. Aumai Ogatasi o Kai ma Marti.