Katja uiga igoa sili: Gauai, Lē ma vāloia, Fiafia, Volatile, Matuia. Aumai Katja uiga o le suafa.
Uddin uiga faaiu sili: Agalelei, Foafoa, Lē ma vāloia, Fiafia, Po nei. Aumai Uddin uiga o faaiu.
Katja amataga o le igoa muamua. German, Scandinavian, Dutch and Slovene form of Katya. Aumai Katja amataga o le igoa muamua.
Faʻaiu Uddin taatele i Bangladesh, Initia, Pakistan, Saudi Alapi, United Arab Emirates. Aumai Uddin faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Katja: KAHT-yah (i Siamani, i Holani). E faapefea e faalauiloa Katja.
Igoa tutusa mo Katja i atunuu ma gagana eseese: Aikaterine, Cătălina, Cadi, Cáit, Caitlín, Caitlin, Caitria, Caitrìona, Caitríona, Catalina, Catarina, Cate, Cateline, Caterina, Catharine, Catherin, Catherina, Catherine, Cathleen, Cathryn, Cathy, Cátia, Catina, Catrin, Catriona, Ecaterina, Eka, Ekaterina, Ekaterine, Iina, Ina, Jekaterina, Kadri, Kaia, Kaija, Kaisa, Kaja, Kakalina, Kasia, Kat, Kata, Katalin, Katalinka, Katarína, Katariina, Katarin, Katarina, Katarzyna, Kate, Katell, Katenka, Kateri, Katerina, Kateřina, Kateryna, Katharine, Katharyn, Katherina, Katherine, Katheryn, Katheryne, Kathi, Kathie, Kathleen, Kathryn, Kathy, Kati, Katia, Katica, Katina, Katka, Kató, Katrė, Katri, Katrín, Katriina, Katrin, Katrina, Katsiaryna, Kattalin, Katya, Kay, Kit, Kitti, Kitty, Kotryna, Riina, Rina, Ríona, Tina, Triinu, Yekaterina. Aumai Katja i isi gagana.
Surnames taatele ma igoa Katja: Krizman, Zgoznik, Belak, Mueller. Aumai Lisi o surnames ma igoa Katja.
O le tele o igoa tutusa ai ma faaiu Uddin: Juraidah, Burhan, Sala, Oilyn Dayang Junainah, Sheraj. Aumai Igoa e aumai faatasi Uddin.
Ogatasi o Katja ma Uddin o 66%. Aumai Ogatasi o Katja ma Uddin.