Osian

Boy · OSH-an · Irish

Osian is a boys' name of Irish origin, meaning “little deer”. In 2025 it ranked 298th for boys in the UK (168 babies).

What does Osian mean?

Irish: Welsh form of Oisín

“little deer”

Oisín, son of Fionn mac Cumhaill, was the poet-hero of Irish legend who journeyed to Tír na nÓg.

Say it: OSH-an

Is Osian a girl's or a boy's name?

Osian is a boys' name. In 2025, it was given to 168 boys in the UK. Too few girls were given it to be listed.

How popular is Osian in the UK?

Rank in 2025: #298among boys
Babies in 2025: 168about 1 in 1,800 boys
Five-year trend: Steadyup 10% in five years
Same name in a class: under 1%chance among 15 boys

In 2025, 168 boys in the UK were named Osian, making it the 298th most popular name for boys. Five years earlier, in 2020, it was 353rd. Its busiest year was 2022, with 179 boys.

Half of all the boys named Osian in the UK since 1996 were born between 2009 and 2021, the years shaded on the chart below.

Among boys in 2025, it was 274th in England and Wales and 762nd in Scotland.

1996Busiest: 179 in 20222025

Osian in the UK, year by year

Year	Boys	Rank
2025	168	#298
2024	146	#341
2023	178	#287
2022	179	#292
2021	164	#319
2020	143	#353
2019	167	#322
2018	136	#372
2017	142	#373
2016	144	#367
2015	161	#328
2014	141	#356
2013	135	#353
2012	135	#363
2011	113	#393
2010	151	#329
2009	116	#380
2008	111	#378
2007	92	#424
2006	106	#365
2005	92	#376
2004	67	#451
2003	73	#397
2002	54	#460
2001	48	#481
2000	45	#501
1999	50	#478
1998	0	–
1997	44	#486
1996	27	#645

Names like Osian

Names given in the same years and the same naming tradition, with a similar sound.

Finn Kayden Brody Caelan Cody Kian Oscar Rowan Cillian Cassian Rian Flynn

Names related to Osian

Ossian Oswin

More Irish names

Rory Maeve Aiden Ryan Nolan Quinn Orla Erin Ronan Connor Declan Casey Kennedy Callan Lennon Kevin