Whether whispered “die” in the mist-shrouded hills of Wales or “dye” along the jade-green banks of the Yangtze, Dai drifts across continents with a hush of antiquity: born as the tender diminutive of David, the beloved, resonating too in Chinese with “dài,” an echo of honor and lineage, and in Japanese unfurling as 大, a cool breeze of grandeur. Though unisex in its modern embrace, it glimmered sparingly in American charts—first glimpsed at rank 757 in 1978 and, by 2020, bestowed upon only six tiny souls—yet its single syllable, as delicate as a snow-laden bamboo shoot under a silver moon, carries an expansive promise. Across tongues and seasons it remains a quiet poem, a name of hushed strength and unfolding possibility, waiting to be spoken into the world.
| Dai Vernon, born David Frederick Wingfield Verner, was a Canadian magician known as The Professor. |
| Dai Greene is a retired Welsh hurdler who represented Wales and Great Britain in the 400 metres hurdles. |
| Dai Koyamada is a Japanese rock climber known for pioneering some of the world's hardest bouldering routes. |
| Dai Davies was a Welsh sportsman who represented Wales in football and rugby league and uniquely played in both the FA Cup and Challenge Cup finals. |
| Dai Lin is a Chinese former footballer who played as a centre-back. |
| Dai Young - David Young is a Welsh rugby coach and former player who most recently served as director of rugby at Cardiff Blues. |
| Dai Davies is a Welsh politician who served as MP for Blaenau Gwent from 2006 to 2010. |
| Dai Xianglong is a Chinese politician who served as governor of the People's Bank of China and mayor of Tianjin. |
| Dai Ward - David Ward was a Welsh footballer who represented Wales and scored 160 goals in 316 Football League matches. |
| Dai Edwards was a Welsh rugby forward who represented his country in both rugby union and rugby league. |
| Dai Xianghui is a former Chinese procurator and politician who served as deputy secretary of the Ningxia Regional Politics and Law Commission. |
| Dai Tamesue is a Japanese record holder in the 400 meter hurdles who won bronze medals at the 2001 and 2005 World Championships. |