Updated to 27 March 2025 (Act No. 1 of 2025 and S.I. No. 95 of 2025)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1951 | Title | How Affected | Affecting Provision |
| 4 | Minister For Posts and Telegraphs (Agency) Order 1951 | Not affected | |
| 8 | Harbour Rates (Kinsale Harbour) Order, 1951 | Rendered obsolete by repeal of Harbours Act 1946 | 61/2015, s. 5(1)(a) |
| Art. 2(2) substituted | S.I. No. 288 of 1996, arts. 1(2), 2(a) | ||
| S.I. No. 7 of 1996, art. 1(2), 2(a) | |||
| S.I. No. 36 of 1982, art. 2(a) | |||
| S.I. No. 281 of 1980, arts. 1(2), 2(a) | |||
| Schs. 1, 2, 3 substituted | S.I. No. 288 of 1996, arts. 1(2), 2(b), schs. 1, 2 ,3 | ||
| S.I. No. 7 of 1996, art. 1(2), 2(b) | |||
| Sch. 1 substituted | S.I. No. 36 of 1982, art. 2(b) | ||
| S.I. No. 281 of 1980, arts. 1(2), 2(b) | |||
| Sch. 2 substituted | S.I. No. 36 of 1982, art. 2(b) | ||
| S.I. No. 281 of 1980, arts. 1(2), 2(c) | |||
| S.I. No. 154 of 1976, arts. 1(2), 2(a), schedule 1 | |||
| S.I. No. 30 of 1975, arts. 1(2), 2(a) | |||
| Sch. 3 substituted | S.I. No. 36 of 1982, art. 2(b) | ||
| S.I. No. 281 of 1980, arts. 1(2), 2(d) | |||
| S.I. No. 154 of 1976, arts. 1(2), 2(b), schedule 2 | |||
| S.I. No. 30 of 1975, arts. 1(2), 2(b) | |||
| 15 | Health Act, 1947 (Adaptation) Order 1951 | Certain references to "sanitary authority" construed as references to "Irish Water" | 50/2013, ss. 1(3), 6, 7(4) |
| 16 | Food Hygiene Regulations, 1950 (Shellfish Controlled Areas) Order 1951 | Revoked | S.I. No. 267 of 2013, art. 2(a) |
| 18 | Harbour Rates (Drogheda Harbour) Order, 1947 (Amendment) Order 1951 | Rendered obsolete by repeal of Harbours Act 1946 | 61/2015, s. 5(1)(a) |
| 21 | Pensions (Increase) (Dublin Port and Docks Board) Regulations 1951 | Spent on repeal of Pensions (Increase) Act 1950 (No. 3 of 1950) | Statute Law Revision Act 2016 (No. 20 of 2016), s. 1 and sch. |
| 32 | Cork Harbour Works Order 1951 | Rendered obsolete by repeal of Harbours Act 1946 | 61/2015, s. 5(1)(a) |
| 36 | Employment Regulation Order (Handkerchief and Household Piece Goods Joint Labour Committee) 1951* | Not affected | |
| *See John Grace Fried Chicken Limited and John Grace and Quick Service Food Alliance Limited v The Catering Joint Labour Committee, the Labour Court, Ireland and the Attorney General [2011] IEHC 277 | |||
| 44 | Undersized Sea-fish Order 1951 | Revoked | S.I. No. 109 of 1976, arts. 2, 4 |
| 45 | Unemployment Assistance (Date of Publication of Census) Order 1951 | Revoked | S.I. No. 238 of 1992, regs. 3, 4(1), schedule |
| 48 | Secondary Teachers' Superannuation (Amendment) Scheme 1951 | Revoked with saver | S.I. No. 435 of 2009, reg. 76 |