| 100% | CLARKSON | 8 | The first winner of American Idol, Kelly __ |
| 78% | CLARKSON | 8 | Kelly, first winner of American Idol |
| 72% | CLARKSON | 8 | Kelly, who won the first series of American Idol |
| 66% | CLARKSON | 8 | 1st winner of the TV show American Idol, Kelly __ |
| 60% | CLARKSON | 8 | First American Idol winner, Kelly __ |
| 56% | CLARKSON | 8 | Winner of American Idol Season One |
| 54% | REDSOX | 6 | Winner of the first World Series (as the "Americans") |
| 52% | RONTGEN | 7 | First winner of the Nobel Prize in Physics |
| 51% | ASHE | 4 | First winner of the ATP Player of the Year |
| 50% | CLARKSON | 8 | Kelly, US singer who won the first American Idol |
| 50% | DUNE | 4 | First winner of the Nebula Award for Best Novel, 1965 |
| 50% | GREENBAYPACKERS | 15 | Winner of the first Super Bowl |
| 50% | OPRAH | 5 | Winner of the first humanitarian Emmy |
| 50% | TIGERWOODS | 10 | First winner of the PGA's FedEx Cup (2007) (2 wds.) |
| 49% | ABBA | 4 | Sweden's first winner of the Eurovision Song Contest |
| 49% | URU | 3 | Winner of the first World Cup: Abbr. |
| 49% | KELLYCLARKSON | 13 | "Before Your Love" singer who was the first winner of 40-Across (2 wds.) |
| 49% | SETHROGEN | 9 | First winner of the Canadian Comedy Awards' Person of the Year (2008) |
| 49% | DUNE | 4 | First winner of the Nebula Award for best science fiction novel (1965) |
| 49% | STARR | 5 | Winner of the first two Super Bowl MVPs |
| 48% | ASU | 3 | Winner of the first three Fiesta Bowls, for short |
| 48% | ROENTGEN | 8 | Winner of the first Nobel Prize in Physics, 1901 |
| 48% | VANCLIBURN | 10 | Winner of the first International Tchaikovsky Piano Competition, 1958 |
| 47% | ABBA | 4 | Quartet that was Sweden's first winner of the Eurovision Song Contest |
| 47% | ASHE | 4 | Winner of the first ATP Player of the Year award |
| 47% | {HAT}TIE | 8 | Actress McDaniel, the first African-American Oscar winner and the subject of a 2004 Rita Dove poem |
| 47% | POOLE | 5 | Ernest ___, winner of the first Pulitzer for fiction |
| 47% | SWEDEN | 6 | Did you know, ABBA was the first winner of the Eurovision Song Contest for ___ (Stockholm's country)? |
| 47% | ADA | 3 | Winner of the first ever Pulitzer Prize for Criticism, ___ Louise Huxtable |
| 47% | GUARINI | 7 | Justin, who was the first American Idol runner-up |