| 100% | SARGENT | 7 | 19th-/20th-century U.S. portraitist |
| 69% | DEWITT | 6 | 19th century U.S. Senator, Clinton |
| 65% | TRUMAN | 6 | 20th-century U.S. president |
| 65% | WILSON | 6 | 20th-century U.S. president |
| 65% | CARTER | 6 | 20th-century U.S. president |
| 65% | EISENHOWER | 10 | 20th-century U.S. president |
| 65% | TAFT | 4 | 20th-century U.S. president |
| 65% | FORD | 4 | 20th-century U.S. president |
| 65% | NIXON | 5 | 20th-century U.S. president |
| 64% | JITTERBUG | 9 | Early 20th century US swing dance |
| 60% | ITALIANS | 8 | Many early 20th-century U.S. immigrants |
| 60% | GREENBACKDOLLAR | 15 | 19th-century U.S. money |
| 60% | BUCHANAN | 8 | 19th-century U.S. president |
| 60% | POLK | 4 | 19th-century U.S. president |
| 60% | ARTHUR | 6 | 19th-century U.S. president |
| 60% | GRANT | 5 | 19th-century U.S. president |
| 59% | KENO | 4 | Game introduced to the U.S. by Chinese immigrants in the 19th century |
| 58% | GALLUPPOLLS | 11 | Predictors of most 20th-century U.S. presidential elections |
| 58% | THREECENTPIECES | 15 | Lightest coins ever minted by the U.S., used in the late 19th century |
| 56% | WILDWEST | 8 | US frontier period in the 19th century |
| 55% | SARGENT | 7 | Noted 19th- and 20th-century portraitist |
| 54% | GOP | 3 | 11 U.S. presidents of the 20th century belonged to it |
| 51% | AUSTRALIA | 9 | 20th century artist Albert Namatjira's homeland |
| 51% | ELIHU | 5 | 20th century's political "wise man," Root |
| 51% | HST | 3 | He served the fewest 20th-century days (83) as U.S. VP |
| 50% | HAYES | 5 | 19th U.S president |
| 49% | HAYES | 5 | 19th-century US president Rutherford |
| 49% | RBH | 3 | 19th U.S. President letters |
| 48% | WOODROWWILSON | 13 | Musically inclined 20th-century US president who was in his law school's glee club: 2 wds. |
| 47% | RBH | 3 | 19th President of U.S.A.: Abbr. |