| 100% | MOZART | 6 | Composer who wrote his first minuet at age five |
| 78% | MOZART | 6 | Composer who wrote his first concerto at the age of five |
| 44% | TIGERWOODS | 10 | "Predatory" golfer who won his first major at age 21: 2 wds. |
| 42% | SAENS | 5 | Camille Saint-___ , Parisian composer and musical prodigy who gave his first recital at age ten |
| 38% | LIL | 3 | ___ Wayne, who was signed to his first label at age eleven |
| 38% | SEDARIS | 7 | Humorist David who wrote his first diary entry on a diner placemat in 1977 |
| 36% | GARYSHEFFIELD | 13 | Baseball player who hit his first home run at age 19 (Brewers, 1988) and his last at age 40 (Mets, 2009): 2 wds. |
| 36% | ALEXRODRIGUEZ | 13 | Baseball player who hit his first home run at age 19 (Mariners, 1995) and another on his 40th birthday (Yankees, 2015): 2 wds. |
| 34% | ELGAR | 5 | Edward —, composer who wrote Salut d’Amour as an engagement present for his fiancee in 1888 |
| 34% | TIGERWOODS | 10 | Golf great who won his first Masters at 21 (1997) |
| 33% | MEL | 3 | Comedian Brooks who published his 2021 memoir at age 95 |
| 32% | BERNIEWORRELL | 13 | Composer and founding member of Parliament-Funkadelic who wrote a concerto at age 8: 2 wds. |
| 32% | MOZART | 6 | Composer who wrote "The Magic Flute" |
| 32% | APU | 3 | "The Simpsons" character who graduated first in his class at Calcutta Technical Institute |
| 31% | MARYSHELLEY | 11 | Author who began writing 28-Across at the age of 18: 2 wds. |
| 31% | LEAR | 4 | TV producer Norman who won his latest Emmy at age 97 |
| 31% | ALEC | 4 | ___ Greven, "How To Talk to Girls" author who published his first book at the age of 9 |
| 31% | ROSSINI | 7 | Composer who wrote the "William Tell Overture" |
| 31% | NEDROREM | 8 | Composer who wrote the book "The Paris Diaries" |
| 31% | MOZART | 6 | Composer who wrote the Prague Symphony in 1786 |
| 30% | BARTOK | 6 | Hungarian composer who wrote "The Miraculous Mandarin" |
| 30% | BACH | 4 | Classical composer who wrote the Brandenburg Concertos |
| 30% | RIMES | 5 | LeAnn who had her first Billboard Hot 100 hit at age fifteen |
| 30% | RUSTY | 5 | With 35-Across, baseball player who hit his first home run at age 19 (Colt .45s, 1963) and his last at age 41 (Mets, 1985) |
| 30% | IRVINGBERLIN | 12 | Composer who wrote the songs for 17-Across (2 wds.) |
| 30% | TORIKELLY | 9 | "Nobody Love" singer who first started posting videos on YouTube at the age of 14: 2 wds. |
| 29% | LEXI | 4 | Golfer Thompson who won her first LPGA tournament at age 16 |
| 29% | COHEN | 5 | Leonard ___, musician who received critical acclaim at the age of 33, following his debut album with Columbia Records |
| 29% | RAVEL | 5 | French composer who wrote the ballet Daphnis et Chloé |
| 29% | DOMINICTHIEM | 12 | Austrian tennis player who won his first major title at the 2020 US Open: 2 wds. |