Kai uiga igoa sili: Gauai, Agalelei, Agavaa, Foafoa, Fiafia. Aumai Kai uiga o le suafa.
Wei uiga faaiu sili: Fiafia, Lē ma vāloia, Volatile, Gauai, Faauo. Aumai Wei uiga o faaiu.
Kai amataga o le igoa muamua. Variant of Kaja. Aumai Kai amataga o le igoa muamua.
Faʻaiu Wei taatele i Ōmea, Hong Kong, Malasia, Singapore, Taiwan. Aumai Wei faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Kai: KIE. E faapefea e faalauiloa Kai.
Igoa tutusa mo Kai i atunuu ma gagana eseese: Aikaterine, Cătălina, Cadi, Caelie, Caileigh, Cailin, Cailyn, Cáit, Caitlín, Caitlin, Caitria, Caitrìona, Caitríona, Caja, Caleigh, Caren, Carine, Caryn, Catalina, Catarina, Cate, Cateline, Caterina, Catharina, Catharine, Catherin, Catherina, Catherine, Cathleen, Cathrin, Cathrine, Cathryn, Cathy, Cátia, Catina, Cato, Catrin, Catrina, Catriona, Cayley, Ecaterina, Eka, Ekaterina, Ekaterine, Iina, Ina, Jekaterina, Kaarina, Käthe, Kadri, Kae, Kaelea, Kaelee, Kaelyn, Kaety, Kaia, Kaija, Kailee, Kailey, Kailyn, Kaisa, Kaja, Kakalina, Kaleigh, Kalena, Kaley, Kalie, Kalyn, Karen, Karena, Kari, Karin, Karina, Karine, Karine, Karyn, Kasia, Kat, Kata, Katalin, Katalinka, Katarína, Katariina, Katarin, Katarina, Katarine, Katarzyna, Kate, Katee, Katelijn, Katelijne, Katell, Katenka, Kateri, Katerina, Kateřina, Kateryna, Katey, Katharina, Katharine, Katharyn, Katherina, Katherine, Katheryn, Katheryne, Kathi, Kathie, Kathleen, Kathrin, Kathrine, Kathryn, Kathy, Kati, Katia, Katica, Katie, Katina, Katinka, Katja, Katka, Kató, Katrė, Katri, Katrien, Katrín, Katriina, Katrijn, Katrin, Katrina, Katrine, Katriona, Katsiaryna, Kattalin, Katy, Katya, Kay, Kaye, Kayla, Kayleah, Kaylee, Kayleen, Kayleigh, Kayley, Kaylie, Kaylin, Kayly, Kaylyn, Kaylynn, Keighley, Kerena, Kit, Kitti, Kitty, Kotryna, Nienke, Nine, Nynke, Riina, Rina, Rini, Riny, Ríona, Tina, Tineke, Triinu, Trijntje, Trina, Trine, Yekaterina. Aumai Kai i isi gagana.
Surnames taatele ma igoa Kai: Ogutu, Lossgott, Yamashita, Hall, Lucas. Aumai Lisi o surnames ma igoa Kai.
O le tele o igoa tutusa ai ma faaiu Wei: Kai, Zhong, Shen, Roni, Mandy. Aumai Igoa e aumai faatasi Wei.
Ogatasi o Kai ma Wei o 76%. Aumai Ogatasi o Kai ma Wei.