you need to complete a TT form 1098 for each one you got
then down a little bit is mortgage use section
use line 2 to link to home mortgage interest worksheet. there you will enter all the details of the mortgage
one of these worksheets is need for each 1098.
be careeful on the refi. say the original loan ws $500,000 you paid it down to $400,000. you refi $500,000 putting the extra $100,00 to personal use not connected with buying ,improving or building on the first or even a second home. only $400,000 is qualified acquisition debt. which means part of the interest wom't be dedcutible.