| 100% | FINSTER | 7 | Last name of toddler Chuckie on 15-Across |
| 76% | PICKLES | 7 | Last name of toddlers Angelica, Tommy, and Dil on 15-Across |
| 73% | DEVILLE | 7 | Last name of twin toddlers Phil and Lil on 15-Across |
| 49% | ADLER | 5 | Last name of Grace on "Will & Grace" |
| 49% | BING | 4 | Last name of Chandler, on "Friends" |
| 48% | MCFEELY | 7 | Last name of the delivery man on 18-Across/40-Across and "Daniel Tiger's 40-Across" |
| 48% | TAM | 3 | Last name of Simon and River, on "Firefly" |
| 47% | GELLER | 6 | Last name of two of the friends on "Friends" |
| 47% | GELLER | 6 | Last name of two of the friends on “Friends” |
| 47% | STARK | 5 | Last name of Sansa and Arya, on "Game of Thrones" |
| 47% | MARSH | 5 | Last name of Sharon, Randy, and Stan, on "South Park" |
| 47% | CRANE | 5 | Last name of Frasier, Niles, and Martin, on a sitcom |
| 47% | ROSE | 4 | Last name of the main family on "Schitt's Creek" |
| 47% | ROY | 3 | Last name of Logan, Kendall, Roman, and Shiv, on "Succession" |
| 46% | ROY | 3 | Last name of the family on HBO's "Succession" |
| 45% | ALBA | 4 | Last name on Chris's list of five |
| 44% | GIBB | 4 | Last name of 60-Across |
| 44% | ALDA | 4 | Last name of the actor who played Hawkeye Pierce on "M*A*S*H" |
| 44% | STARK | 5 | Arya's last name, on "Game of Thrones" |
| 44% | COATES | 6 | Last name on the cover of Between the World and Me |
| 43% | BABBITT | 7 | Last name of 30- and 35-Across |
| 42% | GIBB | 4 | Last name of the brothers in the 19-Across |
| 41% | VANPELT | 7 | Last name of Linus and Lucy in 44-Across: 2 wds. |
| 40% | ROBINSON | 8 | Maiden name of 15-Across |
| 40% | RAMSAY | 6 | Last name of 29a |
| 40% | DANCE | 5 | Last name of 18a |
| 40% | SHIRLEY | 7 | Last name of 18-Across's title character before she becomes a Cuthbert |
| 39% | OCHOA | 5 | Last name that's an anagram of 9-Across |
| 39% | DANIELHANDLER | 13 | Real name of 15-Across: 2 wds. |
| 39% | ADAMS | 5 | Last name of two presidents |