| Damache v. Minister for Justice and Equality [2022] 1 I.R. 669 |
Limits on judicial review of mere proposals to make decisions; when a proposal may be reviewed if the challenge is to the legislation itself. |
Used to consider prematurity and whether the correspondence could be challenged despite being in effect confirmations of pre-existing statutory limits; court accepted analogy but proceeded to decide constitutional issue. |
| O'Doherty & Waters v. Minister for Health [2023] 2 I.R. 488 |
Guidance on when constitutional challenges should be brought by judicial review and the court's discretion to permit declarations. |
Applied to assess appropriateness of judicial review as vehicle for constitutional challenge; court exercised discretion to hear the substantive challenge notwithstanding procedural concerns. |
| A, B, & C v. Minister for Foreign Affairs and Trade [2023] IESC 10 |
Historical and statutory context for the 1956 Act and interpretation of citizenship provisions. |
Referred to for background on how jus sanguinis has been reflected in State law and the legislative history relevant to s. 7. |
| X v Minister for Foreign Affairs [2025] IEHC 214 |
Recognition of legal and factual differences between those born in the State and those born abroad; source of rights differs (Constitution vs statute). |
Used to support the proposition that citizenship by birth in The State is constitutionally distinct from citizenship by descent under statute. |
| Donnelly v. Minister for Social Protection [2023] 2 I.R. 415 |
Principles for Article 40.1 equality challenges: burden of proof, presumption of constitutionality, deference to Oireachtas, calibration of scrutiny, and when evidence is required. |
Adopted as the governing framework for assessing the applicants' Article 40.1 challenge. |
| Heaney v. Ireland [1994] 3 I.R. 593 |
Proportionality test applicable where substantive constitutional rights are engaged. |
Noted as the possible test if the claim involved interference with a substantive constitutional right rather than a pure equality claim. |
| Pigs Marketing Board v. Donnelly (Dublin) Ltd [1939] IR 413 |
Presumption of constitutionality: courts accept statutes as constitutional unless clearly shown otherwise. |
Invoked to underscore presumption of constitutionality and the applicants' burden of proof. |
| Crilly v. T. & J. Farrington Ltd. [2001] 3 I.R. 251 |
Limits on using parliamentary debates to interpret legislation; respect for separation of powers. |
Applied to caution against attributing ministerial or parliamentary statements to the Oireachtas when assessing legislative intent. |
| An Blascaod Mór Teoranta v. Commissioner of Public Works (No. 3) [2000] I I.R. 6 |
Legislation creating classifications based on pedigree can be unconstitutional where no legitimate purpose is shown. |
Considered and distinguished: court held applicants' reliance on pedigree case-law was misplaced given constitutional provisions distinguishing place-of-birth. |
| Quinn's Supermarket Ltd v. Attorney General [1972] I.R. 1 |
Legislature entitled to classify citizens for legislative purposes subject to legitimacy and relevance. |
Referred to in discussing permissible classifications under Article 40.1. |
| Brennan v. Attorney General [1983] ILRM 449 |
Classification must serve a legitimate legislative purpose and treat each class fairly. |
Referenced in the analysis of whether the statutory distinction was justified. |
| Michael & Emma v. The Minister for Social Protection [2021] 3 I.R. 528 |
Reiteration that a legislative exclusion must not be grounded on constitutionally illegitimate considerations. |
Used to support the standard for when an equality challenge can succeed. |
| O'Meara v Minister for Social Protection [2024] IESC 1 |
Confirmation of principles governing equality challenges as in Donnelly. |
Reinforced the applicable test for claimant to establish legislature drew an irrational distinction. |
| Khan v. Minister for Justice [2021] IEHC 789 |
Statement that citizenship does not confer a sliding scale of rights dependent on mode of acquisition. |
Invoked by applicants; court noted the observation but found it did not require invalidating s. 7(3). |
| A.P. v. Minister for Justice and Equality [2019] 3 I.R. 317 |
Distinction between citizens and non-citizens and Oireachtas' entitlement to determine acquisition of citizenship. |
Referenced for deference owed to the legislature on citizenship questions. |
| X and Z v. Minister for Foreign Affairs [2025] IEHC 214 |
Legislative conditioning of entitlement to citizenship may be amenable to Article 40.1 challenge. |
Quoted to show that statutory entitlements to citizenship can be challenged under Article 40.1 but must meet constitutional standards. |
| Coolglass Wind Farm Ltd v. An Coimisiún Pleanála [2026] IESC 5 |
Guidance on ECHR claims in domestic courts and interpretive obligations under the 2003 Act subject to the Constitution. |
Applied to frame the court's approach to ECHR-based arguments in this case and to emphasise constitutional primacy. |
| McD v L [2009] IESC 81, [2010] 2 IR 199 |
Observations on the incorporation of the ECHR into Irish law and constraints on treating domestic courts as ECtHR. |
Used to caution on direct reliance on ECtHR jurisprudence and to explain obligations under the 2003 Act. |
| KlimaSeniorinnen Schweiz v. Switzerland [2024] ECHR 304 ([GC] No. 53600/20 9 April 2024) |
ECtHR jurisprudence referenced in context of ECHR obligations; example of positive obligations under Article 8 in a different context. |
Referred to in discussion of the limited application of ECtHR decisions to the domestic ECHR analysis here. |
| Genovese v. Malta (2014) 58 REHRR 25 |
Arbitrary denial of citizenship can impact social identity and fall within Article 8's ambit. |
Considered and distinguished: no denial of citizenship here and the facts diverge materially from Genovese. |
| Biao v. Denmark |
Indirect discrimination between citizens born in the State and those naturalised; ethnic dimension of impact. |
Distinguished on facts: family reunification/immigration context and ethnic effects not analogous to the present statutory registration requirement. |
| Friends of the Irish Environment |
Contextual reference regarding constitutional protection and environmental rights (mentioned in Coolglass discussion). |
Referred to as part of the Court's broader observations on ECHR v Constitution interactions. |