Katarin merkilegu heiti: Alvarlegt, Rokgjarnt, Skapandi, Vingjarnlegur, Kát. Fá Katarin merking nafns.
Isabelle merkilegu eftirnafninu: Vingjarnlegur, Nútíma, Kát, Hæfur, Rokgjarnt. Fá Isabelle merking eftirnafn.
Katarin Uppruni fornafns. Breton form of Katherine. Fá Katarin Uppruni fornafns.
Samheiti fyrir Katarin í mismunandi löndum og tungumálum: Aikaterine, Cătălina, Cadi, Caelie, Caetlin, Caileigh, Cailin, Cailyn, Cáit, Caitlín, Caitlin, Caitlyn, Caitria, Caitrìona, Caitríona, Caja, Cajsa, Caleigh, Caren, Carin, Carina, Carine, Caryn, Catalina, Catarina, Cate, Cateline, Caterina, Catharina, Catharine, Catherin, Catherina, Catherine, Cathleen, Cathrin, Cathrine, Cathryn, Cathy, Cátia, Catina, Cato, Catrin, Catrina, Catrine, Catriona, Cayley, Ecaterina, Eka, Ekaterina, Ekaterine, Iina, Ina, Jekaterina, Kaarina, Käthe, Kadri, Kae, Kaelea, Kaelee, Kaelyn, Kaety, Kaia, Kai, Kaija, Kailee, Kailey, Kailyn, Kaisa, Kaitlin, Kaitlyn, Kaitlynn, Kaja, Kaj, Kajsa, Kakalina, Kaleigh, Kalena, Kaley, Kalie, Kalyn, Karen, Karena, Kari, Karin, Karina, Karine, Karine, Karyn, Kasia, Kat, Kata, Katalin, Katalinka, Katarína, Katariina, Katarina, Katarine, Katarzyna, Kate, Katee, Katelijn, Katelijne, Katelin, Katelyn, Katelynn, Katenka, Kateri, Katerina, Kateřina, Kateryna, Katey, Katharina, Katharine, Katharyn, Katherina, Katherine, Katheryn, Katheryne, Kathi, Kathie, Kathleen, Kathlyn, Kathrin, Kathrine, Kathryn, Kathy, Kati, Katia, Katica, Katie, Katina, Katinka, Katja, Katka, Katlyn, 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. Fá Katarin á öðrum tungumálum.
Algengustu nöfnin með eftirnafninu Isabelle: Abraham, Dennise, Danielle, Ed, Claudio, Ábrahám, Cláudio, Daniëlle. Fá Nöfn sem fara með Isabelle.
Samhæfni Katarin og Isabelle er 80%. Fá Samhæfni Katarin og Isabelle.