Type a name and have all the matching cells change to a certain color. How to highlight all cells that contain a name that you type
Figure out where you will type the name
Select all the cells that potentially contain a match
Home, Conditional Formatting, New Rule, Highlight Cells that Contain, Specific Text, Contains, $E$1, Click OK, OK
If you need to have it be an exact match, change Specific Text to Equals to