Rare Baby Boy Names in Ireland (2024) — Names Outside the Top 500

32 unique baby boy names appeared in Ireland 2024 Central Statistics Office Ireland (CSO) records but have never ranked in the top 500 — not once across all recorded years. These rare baby boy names are genuine choices: given to real children, just not many of them.

Rare doesn't mean obscure. Some of these unusual boy names have centuries of history; others are fresh coinages. What they share is that parents chose them precisely because they stand out — no classroom will have three of them, no auto-suggest will fill them in. These unique baby boy names are sourced entirely from official birth registration data, not social media trends or name-list curation.

Unlike trending names that rise quickly, rare names tend to show stable and niche usage patterns over time. These rare boy names 2024 offer a balance between originality and real-world usage — every name here was chosen by at least one family this year.

How this list is built

This report is based on official Central Statistics Office Ireland (CSO) birth data for 2024.

To qualify for this list, a name must:

• appear in 2024 birth records with at least 5 births
• never rank in the top 500 in any recorded year

This ensures that every name here is both real and consistently rare.

Summary

While all names in this list fall outside the top 500, they represent real parental choices — documented in official Central Statistics Office Ireland (CSO) data and backed by actual birth counts.

Total names in this list: 32, accounting for 168 births combined in 2024.

Key observations:

• The most-chosen name on this list — Aris — had just 6 births in 2024, ranking at #520.
• The least-chosen — Yohan — had 5 births, ranking at #582.
• Peak years vary widely: some names peaked decades ago and are fading; others are at their recorded high right now.

Even the most popular name on this list remains far outside mainstream usage, showing that parents continue to explore distinctive options beyond the top rankings.

Why parents choose rare names:

• Distinctiveness: a rare name stands out without being unpronounceable.
• Family heritage: many rare names trace back to family traditions or regional cultures.
• Avoidance of trends: some parents specifically search outside the top 500 to sidestep generational clustering.

Rare Baby Boy Names in Ireland (2024)

Notable rare names

Some notable examples from this list include:

• Aris — chosen by 6 families in 2024; 2024 is its peak year on record. Never reached the top 500 in any year.
• Cillían — chosen by 6 families in 2024; 2024 is its peak year on record. Never reached the top 500 in any year.
• Josiah — chosen by 6 families in 2024; peaked at 6 births in 2023. Never reached the top 500 in any year.

The table below shows all rare baby boy names from Ireland 2024 Central Statistics Office Ireland (CSO) data that have never ranked in the top 500. If you're looking for a name that stands out without feeling invented or unfamiliar, these are rare but real options used by parents today.

Takeaway

Rare baby boy names in Ireland occupy a specific niche: they're documented in official Central Statistics Office Ireland (CSO) data, so they're real choices, yet they've never broken into the top 500. That combination — verified but uncommon — is exactly what makes them appealing to parents who want a name with substance rather than novelty.

Explore more baby name trends

• Most popular baby boy names in Ireland — see what names dominate the rankings in 2024
• Fastest rising baby boy names in Ireland — names gaining momentum right now
• Rare baby girl names in Ireland — explore the same data for the opposite gender