Welcome!

A native of Opelousas, Mark Hollier has spent more than 25 years studying, researching and compiling information about southern Louisiana ancestry. He has written and published genealogy books on the Hollier and Hinckley families, which trace lineages from Europe to the United States and ultimately to families in and around Opelousas.

His interest in genealogy was first sparked by his mother’s collection of family history data and pictures. The information and stories she shared about their family led to his passion to dig into his ancestral roots and share what he learned with others.

Mark holds bachelor’s and master’s degrees in physics from LSU and the University of Utah. His educational background and work provide a basis for his scientific approach to research and documentation that he applies to genealogy.

After living in Colorado, Texas and Utah for the past 26 years, Mark and his wife Rhonda – along with their two sons -- recently moved back to Opelousas to restore the home of Lou.is and Celeste Dufilho, Mark’s maternal grandparents. While not working on the house and at his full-time job in software engineering, Mark is working on a third book on the history of the Dufilho family.