Dempster: Last Name Origin and Family Crest

Some records give Dempsey; others give Dempster. Both point to the same Irish family name.

What is the meaning of Dempster?

The family name meaning is “Descendant of Díomasach ("proud")”, the same as for Dempsey.

Is Dempster the same name as Dempsey?

Records show Dempster as one of the forms Dempsey took over time. You may also find the name written O'Dempsey and Dempsy.

Is there a Dempster coat of arms?

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

Research your Dempster family history with a full surname report and painted coat of arms.