Mayo County Council (Castlebar)
1955 Local Election
| Seat | Party | Candidate | Share | Count 1 | Count 2 | Count 3 | Count 4 | Count 5 | Count 6 | Count 7 | Count 8 | Count 9 |
| 1 |  | 20.8% | 1658 | |||||||||
| 2 |  | 19.8% | 1580 | |||||||||
| 3 |  | 12.1% | 966 | 1035 | 1051 | 1095 | 1303 | 1595 | ||||
 | 10.4% | 833 | 848 | 856 | 862 | 872 | 891 | 919 | 936 | |||
| 4 | | 9.2% | 733 | 813 | 828 | 844 | 954 | 1103 | 1235 | 1293 | ||
| 5 | | 6.7% | 532 | 684 | 690 | 701 | 727 | 766 | 783 | 1147 | ||
| 6.5% | 520 | 581 | 614 | 664 | 680 | 707 | 712 | ||||
| 5.4% | 428 | 574 | 585 | 620 | 670 | ||||||
| 4.9% | 388 | 403 | 408 | 458 | |||||||
 | 2.6% | 204 | 221 | 247 | ||||||||
 | 1.2% | 99 | 109 | |||||||||
| 0.4% | 33 | 46 |
| Electorate: 12737 | Valid: 7974 |