If you have Courtney ancestors AND have tested at FTDNA , or transferred your results there please consider doing the project. They now are accepting FAMILY FINDER results not just mt or y dna. The project administrator has assembled a chart to show Family Finder results for those members of the Courtenay / Courtney DNA Project.
Courtenay / Courtney DNA Project - Finder Chart
To join the Courtenay / Courtney DNA Project just login to your account at FamilyTreeDNA and click on the Projects tab at the top of the page, scroll down the page and type Courtney in the search blank. They also have a Facebook page for the Courtenay / Courtney DNA Project.
Even distant connections are important. Please consider joining, privacy is maintained.