| 100% | SOONG | 5 | Last name of three prominent sisters in 20th-century Chinese history |
| 47% | SOSA | 4 | Last name of the only player in MLB history with three 60-homer seasons |
| 43% | EPHRON | 6 | Last name of sisters in the film industry |
| 42% | MARCH | 5 | Last name of the sisters in Louisa May Alcott's "Little Women" |
| 40% | PAUL | 4 | Name of six popes, including one in the 20th century |
| 38% | UNSER | 5 | Last name of three Indianapolis 500 winners |
| 36% | DARLING | 7 | Last name of Wendy in Peter Pan |
| 36% | ROY | 3 | Last name of the family in "Succession" |
| 36% | GIBB | 4 | Last name of the brothers in 33a |
| 35% | MARA | 4 | Last name of acting sisters Kate and Rooney |
| 35% | MARA | 4 | Last name of acting sisters Rooney and Kate |
| 35% | BARRYMORE | 9 | Last name of child actress in E.T. |
| 35% | BENNET | 6 | Last name of Elizabeth in Pride and Prejudice |
| 35% | PARTON | 6 | Last name of Islands in the Stream singer |
| 35% | PARR | 4 | Last name of the family in "Incredibles 2" |
| 35% | CONNOR | 6 | Last name of Sarah targeted in The Terminator |
| 35% | BRONTE | 6 | Last name of British novelist sisters |
| 35% | OLSEN | 5 | Last name of acting sisters Mary-Kate and Ashley |
| 35% | HAIM | 4 | Last name of sister bandmates Este, Danielle, and Alana |
| 35% | HAMM | 4 | Last name of twin gymnasts in the 2004 Olympics |
| 35% | PLUM | 4 | Last name of the professor in the game Clue |
| 35% | BANKS | 5 | Last name of the family in "Mary Poppins Returns" |
| 35% | GANTRY | 6 | Last name of Elmer in a Sinclair Lewis novel |
| 35% | GIBB | 4 | Last name of the brothers in the 19-Across |
| 35% | CUSACK | 6 | Last name of two actors in Grosse Pointe Blank |
| 35% | ADLER | 5 | Last name of Grace in Will and Grace sitcom |
| 35% | BAUER | 5 | Last name of Jack, the CTU agent in 24 |
| 35% | ALOU | 4 | Name of three Giants outfielders in 1963 |
| 34% | GAD | 3 | Last name of Josh, the voice of Olaf in Frozen |
| 34% | BRETTON | 7 | Last name of Dr. John in Villette novel |