How to Customize Family View: Changing the labels in the Husband and Wife boxes
Right click the above shown labels in the family view.
In the following pop up, you can change each field (born, chr, died, and buried) to any field offered.
This will change the field that appears for everybody in your file.
If you make a change that you do not like, you can always go back to the customize pop up and click defaults to revert them back to default.