Names like Katy include alternative spellings such as Katie, Kati and Kaytee, longer forms like Catherine, Katrina and Katerina, short forms like Kate, Kitty and Kit, and cross-language cognates including Karen, Catrin and Catalina.

Overall

1. Catherine (Katherine, Kathryn, Katharine, Catharine, Katheryn, Cathryn, Cathrine, Kathrine)
2. Katya (Katja)
3. Karen (Karan, Kairon, Keren, Cairon, Caren, Karan, Charon, Karon)
4. Ekaterina
5. Catalina
6. Catriona
7. Catrin
8. Caitlin (Kaitlyn, Caitlyn, Kaitlin, Katelin, Katelynn, Kaitlynn)
9. Kasia
10. Kitty (Kittie, Kitti)

Longer forms

• Catherine, Katherine, Kathryn, Katharine, Catharine, Katheryn, Cathryn, Cathrine, Kathrine
• Katrina
• Katerina, Katarina
• Katya, Katja
• Katia
• Katriana
• Katharina
• Katrine

Short forms

• Kate, Cate, Cait
• Kitty, Kittie, Kitti
• Kit, Kitt
• Kaysha, Kaisha, Catia
• Kaysa
• Riina
• Kat

Related short forms

• Kadie, Kady, Kaydee, Cady
• Kathy, Cathy, Cathey
• Kaira
• Kay, Kaye, Kae, Kei, Cay, Caye
• Karah
• Katiya
• Cattee
• Kath
• Catlee

Cognates

Names with the same meaning but not necessarily in the same language or format

• Karen, Karan, Kairon, Keren, Cairon, Caren, Charon, Karon
• Catrin
• Catalina
• Catriona
• Kasia
• Caterina
• Catarina
• Ekaterina
• Kateryna

Alliterative names

Names that start with similar sounds to katy

• Caitlin, Kaitlyn, Caitlyn, Kaitlin, Katelin, Katelynn, Kaitlynn
• Caitlan, Kaitlan
• Kaitland
• Kaito
• Caleb, Kaleb
• Kayla, Kaila, Cayla, Kaylah
• Casey, Kacey, Kacie, Kaycie, Kacy
• Kane, Cain, Kaine, Kayne, Kain, Caine, Cane
• Kayleigh, Kayley, Caley, Kaleigh, Kaylie
• Kaiden, Kayden, Kaden, Caden, Cayden, Caiden, Kaydon, Kaeden, Kaydan, Cadan

Other names that contain similar sounds

• Casey, Casey, Kacey, Kacie, Kaycie, Kacey, Kacy, Kacie, Kacee, Kacy, Kacee
• Kayleigh, Kayley, Caley, Kaleigh, Kaylie, Kailey, Cailey, Kaeli, Kaley, Caley, Cayley, Caylee, Caeli, Kaili
• Kaylee
• Kaycee
• Kaito, Cato, Kato

Names with similar tags

Tags include origins, well known people etc

• James
• Carin
• Loraina
• Winetorp
• Homayoun
• Montreal
• Bedrich
• Jarl
• Jetta
• Nefertiti

Names with similar locations

Compares geographical origins and national popularity

• Nicol
• Jeanette
• Angelique
• Bernice
• Carla
• Eugene
• Nadine
• Miriam
• Aurel
• Antonia

Names popular in similar years

Looks for trends from data about name popularity across the decades

• Michael
• Samuel
• James
• Elizabeth
• Thomas
• Edward
• William
• David
• Joseph
• Daniel