Morrigan
Girl name · #2742 in 2025 · Very rare
How old is the name Morrigan? In official American birth records, Morrigan has been tracked continuously since 1995, giving it 30 years of documented American history.
Morrigan is currently the #2742 girl name in the United States — 63 babies received it in 2025. A decade ago it stood at #3346, so the name has been rising over the past ten years. Roughly one in every 28,571 girls born in 2025 was named Morrigan.
Babies named Morrigan per year. Source: Official national birth records.
The 30-year story
Morrigan first appears in the Social Security records in 1995, when 8 girls received the name. Its all-time peak is essentially right now: 2023, with 69 babies and a rank of #2555. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Morrigan against up to 5 other names.
Uniqueness: will there be another Morrigan in class?
On our rarity read — which blends how common Morrigan is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Morrigan will likely be the only one in the room, with the occasional spelling-out as the price.
Where Morrigan is most common
State-level data for Morrigan is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Morrigan
Statistically, parents drawn to Morrigan tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Sullivan, Teegan, Kerrigan, Razan, and Teigan.
SullivanTeeganKerriganRazanTeiganMaysenMulanMaylynn
Rank history (last 25 years)
| Year | Babies named Morrigan | Rank |
|---|---|---|
| 2025 | 63 | #2719 |
| 2024 | 41 | #3695 |
| 2023 | 69 | #2555 |
| 2022 | 53 | #3073 |
| 2021 | 39 | #3801 |
| 2020 | 44 | #3450 |
| 2019 | 48 | #3272 |
| 2018 | 47 | #3346 |
| 2017 | 40 | #3769 |
| 2016 | 41 | #3707 |
| 2015 | 48 | #3346 |
| 2014 | 47 | #3369 |
| 2013 | 46 | #3404 |
| 2012 | 36 | #4121 |
| 2011 | 33 | #4353 |
| 2010 | 37 | #4023 |
| 2009 | 36 | #4196 |
| 2008 | 30 | #4882 |
| 2007 | 39 | #3983 |
| 2006 | 37 | #3992 |
| 2005 | 30 | #4487 |
| 2004 | 30 | #4492 |
| 2003 | 27 | #4668 |
| 2002 | 26 | #4621 |
| 2001 | 37 | #3549 |
Frequently asked questions
How old is the name Morrigan?
In official American birth records, the name Morrigan first appeared in 1995 (over 30 years ago), when 8 newborn girls received the name. It has been tracked in modern national records for 30 years.
Is Morrigan a popular girl name?
Morrigan ranked #2742 among girls in 2025 with 63 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3346.
When was the name Morrigan most popular?
Morrigan peaked in 2023, when 69 American girls received the name (ranked #2555 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Morrigan?
In 2025, roughly 1 in 28,571 newborn American girls was named Morrigan. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.