| 100% | PARSONS | 7 | Charles —, Irish engineer who invented the modern steam turbine in 1884 |
| 35% | SARAZEN | 7 | Golfer Gene who invented the modern sand wedge |
| 34% | OTIS | 4 | William who invented the steam shovel |
| 34% | LONNIEJOHNSON | 13 | NASA engineer who invented the Super Soaker water gun (2 wds.) |
| 33% | ELI | 3 | Whitney who invented the cotton gin in 1793 |
| 33% | LAENNEC | 7 | Rene —, French physician who invented the stethoscope in 1816 |
| 30% | BOYER | 5 | Charles who starred in the 1938 drama "Algiers" |
| 30% | SHANELOWRY | 10 | Irish golfer who won The Open Championship in 2019 (2 wds.) |
| 29% | YEATS | 5 | Literature Nobelist who served in the Irish Senate |
| 29% | BARNESWALLIS | 12 | Engineer who designed the bouncing bomb used by the RAF in 1943's Operation Chastise |
| 29% | BABBAGE | 7 | Charles who helped invent the mechanical computer |
| 29% | ENYA | 4 | Irish singer who composed in Elvish for "The Lord Of The Rings" |
| 29% | BRONSON | 7 | Charles —, actor who played Paul Kersey in the Death Wish film series |
| 29% | GABRIELBYRNE | 12 | Irish-born actor who costarred in the 2018 movie "Hereditary": 2 wds. |
| 29% | COLINFARRELL | 12 | Irish-born actor who costarred in the 2018 movie "Widows": 2 wds. |
| 28% | PARNELL | 7 | Charles Stewart —, 19th-century Irish nationalist who led the Irish Home Rule movement in the British Parliament |
| 28% | BABBAGE | 7 | Charles —, inventor born in 1791 who built a calculator that anticipated the computer |
| 28% | SEIICHIMIYAKE | 13 | Engineer who invented tactile paving |
| 28% | PERCY | 5 | Charles ___, character who tragically left the show in season 6 of "Grey's Anatomy" |
| 28% | OCONNELL | 8 | Daniel —, Irish nationalist leader known as The Liberator who died in 1847 |
| 27% | DAVIS | 5 | Charles Michael ___, actor who plays Marcel Gerard in the fantasy TV series "The Originals" |
| 27% | ENYA | 4 | Irish New Ager who co-composed a song in Elvish for "The Lord of the Rings" |
| 27% | MASON | 5 | Charles —, astronomer who, with Jeremiah Dixon, surveyed the boundary between Maryland and Pennsylvania in colonial America |
| 27% | RUDI | 4 | Gernreich who invented the monokini |
| 27% | ADOLPHE | 7 | Sax who invented the saxophone |
| 27% | JOE | 3 | ___ Lo Truglio, actor who plays Detective Charles Boyle in the sitcom "Brooklyn Nine-Nine" |
| 27% | KROOK | 5 | Character in the Charles Dickens novel Bleak House who dies from spontaneous human combustion |
| 27% | LOY | 3 | Myrna —, actress who played Nora Charles in 1934 comedy-drama film The Thin Man |
| 26% | SINEADOCONNOR | 13 | Irish singer who appeared on the cover of Rolling Stone in its 25th year (1992) (2 wds.) |
| 26% | PIERCEBROSNAN | 13 | Irish-born actor who costarred in the 2018 movie "Mamma Mia! Here We Go Again": 2 wds. |