Costelloe
Surname Origin
Surname Origin

Discover your ancestors' surnames!

Explore the Costelloe
Family Tree

Discover more about the Costelloe story

Find out who your ancestors were

Your name is all it takes to get started

Explore the Costelloe Family Tree

CostelloeBorn:FatherBorn:MotherBorn:

Ready to discover more about the Costelloe story?

Find out who your ancestors were, how they lived and what they did

Your name is all it takes to get started building your FREE family tree

Costelloe Genealogy and Family History

The earliest occurrence of the Costelloe surname in our family history documents is from 1636, and we currently have 43,261 records where Costelloe appears. Here are a few more facts to get you started…

Discover Costelloe records

Find out more about the Costelloe name by looking in our records