Yes, if you’re a legal owner of the home and pay the entire mortgage, you can claim the full amount of mortgage interest and taxes [if you paid] and if you itemize on Schedule A.
You can deduct home mortgage interest if all the following conditions are met.
1.You file Form 1040 and itemize deductions on Schedule A (Form 1040).
2.The mortgage is a secured debt on a qualified home in which you have an ownership interest.
http://www.irs.gov/publications/p936/ar02.html#en_US_2013_publink1000229890
Taxpayers
are responsible for deducting the correct amount of interest paid,