Sure. From the command line, execute these commands:
mount -t ext3 /dev/hd?? /home
Obviously, you'll need to replace hd?? with the apropriate drive and partition number for your /home partition. Then you can create the /home/matt directory and change permissions.
NOTE: you may also need to change your /etc/fstab. Open it up in a text editor, look for a line that looks like:
/dev/hd?? /home vfat ...
The key thing is the vfat. Change it to ext3 and save. If you're not sure, just post the whole contents of /etc/fstab and I'll help you make the necessary change.