The MacCasey Family Name

Seen on a birth certificate or a ship's manifest, MacCasey is usually a form of Casey.

What does the surname MacCasey mean?

The family name meaning is “Descendant of Cathasach ("vigilant")”, the same as for Casey.

How is MacCasey related to Casey?

With its Mac prefix, MacCasey keeps Casey intact and marks belonging in the older style. You may also find the name written O'Casey and Cassey.

Does every MacCasey family have a crest?

Looking for a MacCasey coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours.

For the full story, order the MacCasey surname pack.