| 100% | GALLO | 5 | Last name of winemakers Ernest and Julio |
| 51% | OBAMA | 5 | Last name of Sasha and Malia |
| 51% | BAGGINS | 7 | Last name of Frodo and Bilbo |
| 51% | BABBITT | 7 | Last name of 30- and 35-Across |
| 50% | CRANE | 5 | Last name of TV's Niles and Frasier |
| 50% | TAM | 3 | Last name of Simon and River, on "Firefly" |
| 50% | OLSEN | 5 | Last name of twins Mary-Kate and Ashley |
| 50% | LEE | 3 | Last name of martial artists Bruce and Brandon |
| 50% | DOLE | 4 | Last name of former senators Bob and Elizabeth |
| 50% | GERSHWIN | 8 | Last name of American composers George and Ira |
| 50% | MANNING | 7 | Last name of NFL quarterbacks Eli and Peyton |
| 50% | ALI | 3 | Last name of boxing legends Muhammad and Laila |
| 50% | BENNET | 6 | Last name of Elizabeth in Pride and Prejudice |
| 50% | MARA | 4 | Last name of acting sisters Kate and Rooney |
| 50% | MARA | 4 | Last name of acting sisters Rooney and Kate |
| 50% | SUGG | 4 | Last name of YouTube personalities Zoe and Joe |
| 50% | CURRY | 5 | Last name of NBA brothers Steph and Seth |
| 50% | HART | 4 | Last name of wrestling stars Bret and Owen |
| 50% | COEN | 4 | Last name of moviemaking brothers Joel and Ethan |
| 50% | COEN | 4 | Last name of filmmaking siblings Joel and Ethan |
| 50% | SOPRANO | 7 | Last name of TV characters Tony and Carmela |
| 50% | MILLER | 6 | Last name of Sienna, Ezra and Wentworth |
| 49% | PRESLEY | 7 | Last name of "the King of Rock and Roll" |
| 49% | ALOU | 4 | Last name of outfielders Matty, Moises, Jesus, and Felipe |
| 49% | OLSEN | 5 | Last name of acting twins Mary-Kate and Ashley |
| 49% | EARP | 4 | Last name of Wild West lawmen Wyatt and Virgil |
| 49% | MARX | 4 | Last name of Groucho, Chico, Harpo, Gummo, and Zeppo |
| 49% | MORANE | 6 | Last name of French aviation pioneers Robert and Leon |
| 49% | MUNSTER | 7 | Last name of TV's Herman, Lily, and Marilyn |
| 49% | ALDA | 4 | Last name of father/son actors Robert and Alan |