Hi Jeffery,
First, I am incredibly sorry to hear about the tragedy with the house fire. I can only imagine how tough it must be to lose those items that are important to you, and then, to pick up the pieces and begin the rebuilding process. I hope there were no injuries and that everyone was safe...
DisneyStore.com a few years ago started offering official Park merchandise that can be ordered online. At the online store, they do offer some of the plush Disney Babies, if these are what your daughter had lost.
If you click here, this will take you to the Disney Store Theme Park Products section. From there, search on "Toys" and see if any of the Disney Babies that show are the one's you were interested in replacing...
Here's to a promising future for you and family, for now, and years to come...