If I pass a full name from one form to another, how do I display the name on the second form?

You need to include the following at the end of the URL of the second form:

?name[first]={name:first}&name[last]={name:last}

For further details on how to implement this, please check this guide: https://www.jotform.com/help/97-How-to-Save-Forms-and-Continue-Later 

Let us know if you need more help.