1887 All-Ireland Senior Football Championship

The 1887 All-Ireland Senior Football Championship is the first edition of GAA's premier inter-county Gaelic football tournament, played between 12 counties of Ireland. The tournament featured club teams who represented their respective counties after their county championship. The 21 a-side final was between Commercials of Limerick and Young Irelands of Louth. The final was played in Beech Hill, Donnybrook on April 29, 1888, with Commercials winning by 1-4 to 0-3. Unlike later All-Irelands, there were no provincial championships and it was an open draw.

Format
The 1887 championship was the only to be held as an open-draw knockout tournament, without provincial championships.

Representative clubs
From 1887 until 1891 the club champions represented the whole county. In the very first All-Ireland championship the participating counties were represented by the following clubs:

Semi-final

 * Louth received a Bye into the All-Ireland final

Miscellaneous

 * No Provincial championships in the first year of the championship.