How lucky you are, I've just read through your other answers , not a lot of hope there !
I assume because you mentioned mortgage rather than loan its because you intend to live in it?
Not that its important, the answer is yes you can get a loan on a mobile home, your bank is really not interested in what you need to borrow money for, they just want a g'tee that they can grab it back if required, some sort of collateral. The value of the caravan wont cover it, they depreciate in value more than a car does!
If you don't have that collateral then your next best bet is hire purchase, but you must shop around to find the best deal.
You also appear to have caused a bit of confusion here, some folk think a 'mobile home' is a motor home, others think its a touring caravan, I'm classing it as meaning a large caravan suitable for living in all the year around ?
Many moons ago when I first married it didnt take me long to get fed up with living with my wifes parents, we didnt have much money we bought a residential caravan, on HP and lived in it for a couple of years until we graduated into house buying.
We have had lots of caravans since that time mainly sited on holiday parks.
Just a note of caution here, you can be robbed blind by some dealers and sites so beware.
I am not a dealer or HP agent so if you want to contact me for some impartial advise please feel free to do so, do not rush to the first dealer and hand over money. Get all your facts right, its not as simple or straightforward as you may think. But good luck to the pair of you.