Most Popular Baby Boy Names in the 2000s (Ireland)
In Ireland, the most common baby boy names in the 2000s were Jack, Sean, Conor, Adam, James — names chosen by more families than any others, ranked by total births.
This ranking is based on total births across the decade, which highlights names consistently chosen year after year — not just short-term spikes. Compare popular boy names in the 1990s for the previous decade.
Quick list of the most popular names
The most common baby boy names in the 2000s in Ireland are listed below, based on total births across the decade.
- Jack
- Sean
- Conor
- Adam
- James
- Daniel
- Cian
- Luke
- Michael
- Dylan
- Ryan
- Aaron
- David
- Jamie
- Thomas
- Darragh
- Patrick
- John
- Oisin
- Eoin
How the ranking works
This ranking is based on total births for each name across all years in the decade. By aggregating data over a 10-year period, we highlight names with sustained popularity rather than short-term spikes. Names are ranked by total birth count, using national-level data only.
Key insights
Summary of the names with the highest total births:
- Top name: Jack with 9,489 births over the decade
- #1 share of top 100: 4.3%
- Gap #1 vs #10: 1.9x
- Gap #1 vs #50: 6.4x
- Top 10 share: 29.9% of births in the ranking
- Total births in top 100: 223,082
Why these names were popular in the 2000s
Length: Short names (four or five letters) led — easy to spell and say.
Familiarity and social acceptance: Parents chose widely recognized names — easy to spell and pronounce. Socially safe yet modern.
Broader cultural influence: Media and trends shaped tastes. Names in popular culture often gained traction.
The core set remained at the top: rankings shifted year to year, but the same names dominated the upper tier.
What were common baby names in the 2000s?
The most common baby boy names in the 2000s remained remarkably stable across the decade. While rankings shifted slightly year to year, a consistent group dominated the top positions. Compare popular boy names in the previous decade. For current trends, see fastest rising names; for unique picks, see rare baby names.
Popularity trend over the decade
Over the 2000s, the most popular names remained remarkably stable — the same core dominated the upper tier year after year. New entries emerged in the lower half of the top 100 as trends evolved, but the top 10–20 changed slowly. For how the subsequent decade shifted, see top names in the next decade.
Visual overview
Top 10 by births
How the 2000s compare to other decades
The 2000s saw a shift toward simpler, shorter names and softer endings (-a, -y) — a move away from longer, more formal styles. Names became softer and more approachable than in earlier decades. Continuity: many names from the 1990s held on. Change: new options gained ground heading into the 2010s. The decade balanced tradition with a lighter, more modern feel.
How these names compare to today
Compared to today's trends, the 2000s list has aged in different ways. Some styles faded; others endured. For parents weighing a 2000s name today, those still ranking high recently are the safest bets. See trending baby names for what's rising now.
Full ranking
Full list of the top names in Ireland for the 2000s.
| # | Name | Births (2000s) |
|---|---|---|
| 1 | Jack | 9,489 |
| 2 | Sean | 9,130 |
| 3 | Conor | 7,481 |
| 4 | Adam | 7,084 |
| 5 | James | 6,640 |
| 6 | Daniel | 6,433 |
| 7 | Cian | 5,267 |
| 8 | Luke | 5,147 |
| 9 | Michael | 5,034 |
| 10 | Dylan | 4,895 |
| 11 | Ryan | 4,673 |
| 12 | Aaron | 4,631 |
| 13 | David | 4,412 |
| 14 | Jamie | 3,963 |
| 15 | Thomas | 3,935 |
| 16 | Darragh | 3,824 |
| 17 | Patrick | 3,800 |
| 18 | John | 3,726 |
| 19 | Oisin | 3,663 |
| 20 | Eoin | 3,622 |
| 21 | Matthew | 3,533 |
| 22 | Shane | 3,460 |
| 23 | Ben | 3,379 |
| 24 | Liam | 3,265 |
| 25 | Alex | 3,201 |
| 26 | Evan | 3,081 |
| 27 | Joshua | 3,072 |
| 28 | Mark | 2,989 |
| 29 | Nathan | 2,533 |
| 30 | Jake | 2,481 |
| 31 | Ciaran | 2,339 |
| 32 | Joseph | 2,292 |
| 33 | Cillian | 2,156 |
| 34 | Robert | 2,060 |
| 35 | Cathal | 2,046 |
| 36 | Samuel | 1,948 |
| 37 | Andrew | 1,940 |
| 38 | Kyle | 1,932 |
| 39 | Callum | 1,888 |
| 40 | Kevin | 1,861 |
| 41 | Stephen | 1,858 |
| 42 | Harry | 1,738 |
| 43 | Ronan | 1,689 |
| 44 | Fionn | 1,670 |
| 45 | Brian | 1,669 |
| 46 | Eoghan | 1,638 |
| 47 | Charlie | 1,525 |
| 48 | William | 1,515 |
| 49 | Ethan | 1,483 |
| 50 | Cormac | 1,478 |
| 51 | Christopher | 1,461 |
| 52 | Jason | 1,420 |
| 53 | Niall | 1,416 |
| 54 | Paul | 1,403 |
| 55 | Rory | 1,400 |
| 56 | Lee | 1,383 |
| 57 | Alexander | 1,365 |
| 58 | Dean | 1,352 |
| 59 | Peter | 1,270 |
| 60 | Benjamin | 1,225 |
| 61 | Aidan | 1,224 |
| 62 | Scott | 1,207 |
| 63 | Sam | 1,189 |
| 64 | Tadhg | 1,162 |
| 65 | Killian | 1,140 |
| 66 | Gavin | 1,133 |
| 67 | Josh | 1,118 |
| 68 | Alan | 1,090 |
| 69 | Finn | 1,090 |
| 70 | Jordan | 1,066 |
| 71 | Ross | 1,035 |
| 72 | Leon | 1,019 |
| 73 | Anthony | 1,018 |
| 74 | Noah | 1,005 |
| 75 | Martin | 946 |
| 76 | Craig | 942 |
| 77 | Max | 868 |
| 78 | Kian | 857 |
| 79 | Colm | 832 |
| 80 | Tom | 829 |
| 81 | Calum | 822 |
| 82 | Rian | 809 |
| 83 | Darren | 804 |
| 84 | Kieran | 782 |
| 85 | Dara | 771 |
| 86 | Brandon | 768 |
| 87 | Padraig | 727 |
| 88 | Edward | 698 |
| 89 | Oscar | 696 |
| 90 | Diarmuid | 689 |
| 91 | Oran | 685 |
| 92 | Ruairi | 663 |
| 93 | Colin | 661 |
| 94 | Tomas | 660 |
| 95 | Jonathan | 655 |
| 96 | Daragh | 649 |
| 97 | Owen | 644 |
| 98 | Rhys | 644 |
| 99 | Christian | 614 |
| 100 | Cameron | 608 |
Click any name above to explore its historical ranking, meaning, origin, regional variations, and full popularity timeline.
Interpretation for parents
Stable vs trendy: These names dominated year after year — time-tested, not one-hit wonders. Good for familiar, socially accepted choices.
Popularity vs uniqueness: Higher rank means more births. For something less common, look further down or check birth counts. National data can differ from your area.
How to choose: Top 10 = maximum familiarity. 20–50 = familiar but not overused. Below 50 = more distinctive. For uniqueness, consider trending or rare options. Explore baby names in the previous decade, baby names in the next decade, trending baby names, all-time popular names for more options.
About the data
Data from Central Statistics Office Ireland (CSO). National totals only; no regional breakdown. We refresh as new data becomes available.