Is Oisan a boy or girl name?
Oisan is listed as a boy name in our name lists. It is recorded in Ireland. Oisan is too rare in US Social Security records for us to chart.
Oisan was gathered with automated tools. It has not been checked against an official register and carries no counts, so treat the details on this page as unconfirmed. How the lists are made.
Where Oisan is recorded
A country here means the name is recorded there. It is not a ranking.
Names that start like Oisan
This page shows only what our lists record for Oisan. We do not publish name meanings or origins. Sources and method.