If you determine that an individual in your family tree never married or never had children, you'll want to record these facts in your tree. This helpful information can save other family researchers (or you!) from spending time on fruitless searches.
If an individual was never married, simply enter "Never married" in the Marriage Date field. Now this information will appear on charts and reports.
For individuals who never had children, I decided to create a custom "No descendants" fact. Facts have the advantage of allowing you to include source information and also display the information in reports or charts. And once you've created a fact, you can use it for anyone in your family tree. If you need help creating a custom fact, be sure to check out my last post "Custom Facts