Seaghan an Diomáis CLG
| County: | Antrim | ||||||||||||
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| Colours: | Black and amber | ||||||||||||
| Grounds: | Páirc Seaghan an Diomáis, Whiterock Road | ||||||||||||
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| Senior Club Championships | |||||||||||||
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Seaghan an Diomáis CLG was a Gaelic Athletic Club based in Belfast in the early part of the 20th century. As county champions in 1910, they represented Antrim in the subsequent Ulster and All-Ireland Senior Football championships, becoming the first Ulster team to play in an All-Ireland Final.