| 100% | LIU | 3 | Fourth-most-common family name in China |
| 89% | NGUYEN | 6 | Most common family name in Vietnam |
| 88% | CHEN | 4 | Fifth-most-common family name in China |
| 75% | TRAN | 4 | Second-most common family name in Vietnam, after Nguyen |
| 67% | SILVA | 5 | Most common last name in Brazil |
| 66% | LEE | 3 | Most common last name in the world |
| 65% | SMITH | 5 | Most common last name in the United States |
| 65% | MAIN | 4 | Most common street name in the U.S. |
| 64% | OREO | 4 | Most common commercial name in New York Times crosswords |
| 64% | NGUYEN | 6 | Most common Vietnamese family name |
| 62% | MARY | 4 | Most common girl's name in the 1950s |
| 61% | WANG | 4 | Most common surname in mainland China (90+ million people) |
| 61% | SMITH | 5 | The most common last name in the U.S. |
| 61% | ELM | 3 | Common street name in a neighborhood with many trees |
| 61% | ALOU | 4 | Baseball family name much seen in crosswords |
| 60% | WALKER | 6 | Most common name for a zombie in the Walking Dead |
| 57% | LIAM | 4 | The most common name for baby boys born in America in 2018 |
| 57% | LIAM | 4 | The most common name for baby boys born in America in 2020 |
| 56% | BRIDGES | 7 | Hollywood family name ... and what the answers to starred clues have in common |
| 54% | MUM | 3 | Family name in Nottingham |
| 53% | MAO | 3 | Name in China's history |
| 53% | MAHRE | 5 | Family name in Olympic skiing |
| 53% | RYDER | 5 | Family name in "Brideshead Revisited" |
| 53% | UNSER | 5 | Family name in auto racing |
| 53% | DALEY | 5 | Family name in Chicago politics |
| 53% | BRONTE | 6 | Family name in English literature |
| 53% | ASSAD | 5 | Family name in Mideast politics |
| 53% | GUTHRIE | 7 | Family name in folk music |
| 53% | PARR | 4 | Family name in "The Incredibles" |
| 53% | LIU | 3 | Fourth-most-common surname in China (after Wang, Li and Zhang) |