| Meaning | youthful, child of Jupiter |
| Origin | English, Latin |
| Gender | Girl |
| Popularity | Moderate |
| Length | 7 |
| Syllables | 3 |
| Syllabification | Jill-i-an |
About Jillian
Polished and professional, this name has long been associated with competence and reliability. The double consonant structure provides visual balance and phonetic emphasis, creating a name that feels substantial without being heavy. It occupies that sweet spot between classic and contemporary, familiar enough to be easily accepted yet distinct enough to maintain individual character. The name suggests organizational skills and attention to detail—qualities that translate well into academic and professional success. Its three syllables offer enough length to feel complete while remaining comfortably manageable in everyday use. Nickname options exist but aren't necessary, as the full name works beautifully in all contexts. Those bearing this name often develop strong work ethics and natural leadership abilities. The name ages gracefully, appropriate from preschool through retirement, requiring no adjustments as its bearer matures.
Names Similar to Jillian
| Jill |
| Juliana |
| Julia |
| Juliet |
| Juliette |
| Julie |
| Julianna |
| Judith |
| Joanna |
| Josephine |
| Jacqueline |
| Jennifer |
Nicknames for Jillian
| Jill |
| Jilly |
| Lian |
Famous People Named Jillian
| Jillian Michaels | American fitness trainer and TV personality |
| Jillian Bell | American actress and comedian |
| Jillian Barberie | Canadian-American television host |
| Jillian Armenante | American actress and writer |
| Jillian Hervey | American singer and member of the group Lion Babe |
| Jillian Rose Reed | American actress |
| Jillian Jacqueline | American country music singer-songwriter |
| Jillian Beyor | American model |
| Jillian Hall | American professional wrestler |
| Jillian Camarena-Williams | American shot putter and Olympian |
| Jillian Wheeler | American actress |
| Jillian Bach | American actress |
| Jillian Clare | American actress and producer |
| Jillian Halliday | British TV presenter and journalist |
| Jillian Grace | American model and actress |
| Jillian Evans | Welsh politician |
| Jillian Murray | Canadian soccer player |
| Jillian Tamaki | Canadian illustrator and writer |
Characters Named Jillian
| Jillian Holtzmann | "Ghostbusters" - 2016 film character |
| Jillian Russell | "Two and a Half Men" TV series character |
| Jillian "Jill" Guiler | "Close Encounters of the Third Kind" film character |
| Jillian Keenan | "Iron Man 3" film character |
| Jillian Alcott | "Desperate Housewives" TV series character |
| Jillian Sherman | "Suits" TV series character |
| Jillian Chambord | "The Naked Gun" film series character |
| Jillian Reynolds | "Parks and Recreation" TV series character |
| Jillian "Jill" Johnson | "When a Stranger Calls" film character |
| Jillian | "Creepshow" TV series character |
| Jillian Guiler | "The X-Files" TV series character |
| Jillian Kesner | "Stryker" film character |
| Jillian Warry | "The Fugitive" film character |
| Jillian Pearlman | "The West Wing" TV series character |
| Jillian Hayes | "Vanished" TV series character |
| Jillian Salvius | "Bitten" TV series character |
| Jillian Deline | "Crossing Jordan" TV series character |
| Jillian Grant | "All My Children" TV series character |