| First: | RU |
| David Thomas Harris | |
| Fullname: | David Thomas Harris |
| Birth Date: | 15 February 1879 |
| Birth Place: | Morriston, Wales |
| Death Date: | second ¼ 1958 (aged 79) |
| Death Place: | Neath district, Wales |
| Ru Position: | Centre |
| Ru Club1: | Treherbert RFC |
| Ru Year1start: | ≤1903 |
| Ru Year1end: | 03 |
| Club1: | Wigan |
| Year1start: | 1903 |
| Year1end: | 05 |
| Appearances1: | 43 |
| Tries1: | 6 |
| Goals1: | 1 |
| Points1: | 20 |
| Teama: | Other Nationalities |
| Yearastart: | 1904 |
| Yearaend: | ≥04 |
| Appearancesa: | ≥1 |
| Triesa: | ≥1 |
| Pointsa: | ≥3 |
| New: | yes |
| Retired: | yes |
| Updated: | 15 May 2012 |
| Source: | [1] |
David "Dai" Thomas Harris (born 15 February 1879[2] – second ¼ 1958[3]) was a Welsh rugby union, and professional rugby league footballer who played in the 1900s. He played club level rugby union (RU) for Treherbert RFC, as a centre, i.e. number 12 or 13, and representative level rugby league (RL) for Other Nationalities, and at club level for Wigan, as a, i.e. number 3 or 4.[1] [4]
Dai Harris was born in Morriston, Wales, he was a blacksmith's assistant, and his death aged 79 was registered in Neath district, Wales.
Dai Harris won a cap, playing right-, i.e. number 4, and scored the third try, for Other Nationalities in the 9–3 victory over England at Central Park, Wigan on Tuesday 5 April 1904, in the first ever international rugby league match.[5]
During Dai Harris' time at Wigan, they won the South West Lancashire League in 1904–05.