| 100% | JMSYNGE | 7 | Playwright who co-founded the Abbey Theatre |
| 52% | ONEAL | 5 | Frederick who founded the American Negro Theatre |
| 51% | ABBIE | 5 | Hoffman who co-founded the Yippies |
| 51% | NASH | 4 | Graham who co-founded The Hollies |
| 51% | NASH | 4 | Musician who co-founded the Hollies |
| 51% | IDABWELLS | 9 | Journalist who co-founded the NAACP |
| 50% | STEELE | 6 | Sir Richard who co-founded the Spectator |
| 50% | SEALE | 5 | Bobby who co-founded the Black Panthers |
| 50% | NASH | 4 | Singer Graham who co-founded The Hollies |
| 50% | HALAS | 5 | Coach who co-founded the N.F.L. |
| 50% | HALAS | 5 | George who co-founded the N.F.L. |
| 50% | BONO | 4 | Irish singer who co-founded the (RED) project |
| 50% | ROSSETTI | 8 | English poet who co-founded the Pre-Raphaelites |
| 50% | SEALE | 5 | Bobby who co-founded the Black Panther Party |
| 50% | CAMUS | 5 | French writer who co-founded the newspaper Combat |
| 50% | ARAFAT | 6 | Yasser who co-founded the Fatah political party |
| 50% | ISSA | 4 | Rae who co-founded the record label Raedio |
| 50% | ROSS | 4 | Harold who co-founded The New Yorker magazine |
| 50% | ALBA | 4 | Actress Jessica who co-founded The Honest Company |
| 50% | MUIR | 4 | Conservationist John who co-founded the Sierra Club |
| 50% | LEX | 3 | Supervillain Luthor who co-founded the Injustice League |
| 50% | HOWIE | 5 | Singer Dorough who co-founded the Backstreet Boys |
| 50% | ENO | 3 | Brian who co-founded the Long Now Foundation |
| 50% | GAIL | 4 | Borden who founded the Borden Co. |
| 49% | DALTREY | 7 | The Who co-founder |
| 49% | ICET | 4 | Rapper who co-founded the band "Body Count": Hyph. |
| 49% | BONO | 4 | Singer who co-founded the AIDS-fighting Product Red |
| 49% | AGNES | 5 | Baden-Powell who co-founded the Girl Guide movement |
| 49% | DAN | 3 | Savage who co-founded the It Gets Better Project |
| 49% | IDA | 3 | ___ B. Wells-Barnett, journalist who co-founded the NAACP |