Parties
| Full Name | Short name | Notes |
|---|---|---|
| Green Party | Green Party | |
| Home Rule | HR | |
| Independent Community and Health Action Party | ||
| Independent Conservative | Ind. Con. | |
| Independent Crofter | Ind. Crofter | |
| Independent Labour | Ind. Lab. | |
| Independent Labour Party | ILP | |
| Independent Liberal | Ind. Lib. | |
| Independent member | Independent | |
| Independent Nationalist | Ind. Nat | |
| Independent Opposition | Ind. Opp | |
| Independent Progress | Ind. Prog | check name |
| Independent Unionist | Ind. Unionist | |
| Independent Unity | Ind. Unity | |
| Irish Labour | Irish Lab. | |
| Irish Nationalist | Irish Nat. | |
| Irish Unionist Alliance | Irish Unionists | Founded 1891. Dissolved 1922. |
| Labour and Co-operative | Lab. & Co-op. | |
| Labour Party | Labour | |
| Liberal Crofter | Lib/Crofter |