Fun Facts About the Name Oisin
- 513 babies named Oisin: U.S. records list 513 babies given the name Oisin from 1880 through 2025.
What Does the Name Oisin Mean?
Oisín is an Irish masculine name meaning "little deer" or "fawn." It comes from Old Irish Oisín, a diminutive of os "deer, stag" formed with the suffix -ín, which indicates something small or young. The literal sense is therefore "little deer." The acute accent on the í marks a long vowel; the spelling Oisin without the fada is a common simplified form in English. The heroic and poetic associations that surround the name come from the legendary figure who bore it, not from the meaning of the word itself.
Oisin Name History & Origins
In Irish tradition, Oisín is the son of Fionn mac Cumhaill and a member of the fianna, the warrior band of the Fenian Cycle. Tales tell that he went to Tír na nÓg with Niamh and returned to Ireland centuries later, and he is remembered as a poet who recounts the deeds of the fianna. These stories appear in medieval Irish literature and remained part of Gaelic oral and manuscript tradition. The name was used in Irish-speaking Ireland and later among Irish emigrants and their descendants.
The form Ossian is an anglicized development of the same name. In the eighteenth century, James Macpherson's Ossian poems, which drew on Gaelic heroic tradition, brought the figure to a wide European readership under that form. Macpherson's work is a literary episode in the name's history; Oisín itself is an older Irish name, and the spelling with the fada is the standard Irish form. In English-language use, the simplified spelling Oisin is also common.
How Popular is the Name Oisin?
Oisin has historically been an exceptionally rare given name in the United States, remaining well outside the national mainstream. It saw its highest recorded annual births in 2020. Its best rank was #3,546 in 2020.
U.S. name popularity from 1880-2025, based on SSA data. Rank shows how the name compares with other names - lower numbers mean greater popularity. Births shows how many babies received the name each year.
| Year | Rank | Births | % |
|---|---|---|---|
| 2025 | #4,660 | 22 | 0.0013% |
| 2024 | #4,145 | 26 | 0.0015% |
| 2023 | #4,304 | 25 | 0.0015% |
| 2022 | #3,841 | 29 | 0.0017% |
| 2021 | #4,331 | 24 | 0.0014% |
| 2020 | #3,546 | 31 | 0.0018% |
| 2019 | #5,727 | 16 | 0.0009% |
| 2018 | #3,859 | 28 | 0.0015% |
| 2017 | #4,699 | 21 | 0.0011% |
| 2016 | #4,725 | 21 | 0.0011% |
| 2015 | #5,668 | 16 | 0.0008% |
| 2014 | #5,648 | 16 | 0.0008% |
| 2013 | #5,573 | 16 | 0.0008% |
| 2012 | #5,429 | 17 | 0.0009% |
| 2011 | #5,870 | 15 | 0.0008% |
| 2010 | #5,956 | 15 | 0.0008% |
| 2009 | #4,879 | 20 | 0.0010% |
| 2008 | #7,569 | 11 | 0.0005% |
| 2007 | #6,965 | 12 | 0.0006% |
| 2006 | #5,467 | 16 | 0.0008% |
| 2005 | #6,121 | 13 | 0.0007% |
| 2004 | #5,420 | 15 | 0.0008% |
| 2003 | #5,471 | 14 | 0.0007% |
| 2002 | #5,974 | 12 | 0.0006% |
| 2001 | #6,791 | 10 | 0.0005% |
| 2000 | #7,243 | 9 | 0.0005% |
| 1999 | #5,936 | 11 | 0.0006% |
| 1998 | #6,691 | 9 | 0.0005% |
| 1997 | #7,889 | 7 | 0.0004% |
| 1995 | #5,788 | 10 | 0.0005% |
| 1991 | #7,971 | 6 | 0.0003% |
Name popularity over more than a century, based on Social Security Administration data. Gaps in the chart indicate years when the name does not appear in the published records.
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How the Name Oisin Shapes Your Personality and Life?
You are patient, persevering and strong willed. You are a good student, absorbing knowledge easily and retaining it well. You are either a saint or a sinner. You tend to hold things inside and suffer in silence. You are frank, methodical and believe in law, system and order.
Creative and outgoing, you are always looking for an opportunity to show your abilities, especially before audience. You are very flexible and like to feel appreciated. You are looking for chances to mix with others socially and to communicate your ideas. You like to talk and can easily relate to different cultures and concepts. The biggest challenge for you is uncertainty. Easily getting bored, you can move from one job to another, switch projects and lovers. The high creative force can lead you either to happiness or unhappiness. If you understand your goals, if you can make major decisions in life and follow it directly and straight up without worry and uncertainty, you are able to achieve great heights.
✦ Oisin's Deeper Meaning & Tips for Parents Discover Oisin's symbolic numbers and practical tips for choosing a name that complements your child's birth date.