| 100% | LEIA | 4 | Sister of Luke, in sci-fi |
| 69% | LEIA | 4 | Sci-fi sister of Luke Skywalker |
| 57% | LEIA | 4 | Luke's sci-fi sister |
| 56% | LEIA | 4 | Sister of Luke |
| 56% | LEIA | 4 | Sister of Luke Skywalker |
| 54% | ION | 3 | Kind of storm, in sci-fi |
| 54% | LEIA | 4 | She's revealed to be Luke's sister in "Return of the Jedi" |
| 51% | REY | 3 | Tutee of Luke in "The Last Jedi" |
| 51% | RHEA | 4 | Sister of Phoebe, in myth |
| 51% | AMY | 3 | Sister of Jo, in literature |
| 51% | JANE | 4 | Sister of Dick, in primers |
| 51% | OPHELIA | 7 | Sister of Laertes, in "Hamlet" |
| 51% | ANNA | 4 | Sister of Elsa in "Frozen" |
| 51% | ELSA | 4 | Sister of Anna in "Frozen" |
| 51% | LUNA | 4 | Sister of Sol, in myth |
| 50% | LISA | 4 | Sister of Bart, in "The Simpsons" |
| 50% | LEAH | 4 | Sister of Rachel, in the Bible |
| 50% | MARY | 4 | Sister of Lazarus, in the Bible |
| 50% | SELENE | 6 | Sister of Helios in Greek myth |
| 50% | LISA | 4 | Sister of Bart in "The Simpsons" |
| 50% | PHILOMELA | 9 | Sister of Procne in Greek mythology |
| 50% | EOS | 3 | Sister of Helios, in Greek myth |
| 50% | MIRIAM | 6 | Sister of Moses, in the Bible |
| 49% | IRINA | 5 | Sister of Olga and Masha, in Chekhov |
| 49% | ELIZA | 5 | Sister of Angelica and Peggy, in "Hamilton" |
| 49% | ELIZA | 5 | Sister of Angelica and Peggy, in Hamilton |
| 49% | ARYA | 4 | Sister of Sansa, in the Stark clan |
| 49% | RAMONA | 6 | Sister of Beezus in Beverly Cleary books |
| 49% | HORAE | 5 | Sisters of the Moirae, in Greek myth |
| 49% | C3PO | 4 | Sci-fi character who claims fluency in more than six million forms of communication |