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- Thomas Garrett (1789–1871), abolitionist and leader in the Underground Railroad
- Commodore John P. Gillis (1803–1873), officer in the United States Navy; born in Wilmington
- Joseph (Joey) Graham (born 1982), professional basketball player; born in Wilmington
- Stephen Graham (born 1982), professional basketball player; born in Wilmington
- George Gray (1840–1925), Judge of U.S. Court of Appeals and U.S. Senator from Delaware
- Dallas Green (born 1934), former pitcher, manager, and executive in Major League Baseball; born in Newport
Read more about this topic: List Of People From Delaware