O'Sheehan Family Crest & Name History

Many O'Sheehan families will find their roots under Sheehan, the form most records use. Its meaning, shared with Sheehan, is “Descendant of Síodhachán ("peaceful")”.

• Related forms: Sheahan and Sheehane.
• With its O' prefix, O'Sheehan keeps Sheehan intact and marks belonging in the older style.
• Census takers and immigration officers often wrote what they heard.

Heraldry and the O'Sheehan name

There is no single O'Sheehan family crest for every bearer. Herald Lab researches the arms historically associated with the name and explains whose they were. For the full story, order the O'Sheehan surname pack.