Seaghan is a variant of the name Sean (English and Irish).
Seaghan is also a variant of the name Shane (English and Irish).
Seaghan is an unusual baby name for boys. It is not listed in the top 1000 names. In 2018, among the group of boy names directly linked to Seaghan, Sean was the most commonly used.
Baby names that sound like Seaghan include Saginau, Saginaw, Sagynau, Sagynaw, Sakima, Sammohan, Sammohane, Samyama, Saxony, Sekani, Semyon, Senio, Seocan, Seosamh, Sesame, Sesamee, Sesamey, Sesami, Sesamie, and Sesamy.