Purchase-mortgage lending provided most of the oomph that drove the 23.6 percent increase in total mortgage originations during the second quarter, but refinance activity still accounted for slightly over half of total production. Lenders funded $222 billion of first-lien purchase mortgages during the second quarter, a 59.7 percent increase from the first three months of 2015, according to Inside Mortgage Finance estimates. That was just shy of the $223 billion of purchase mortgages originated back in the third quarter of 2013, a figure that included some second-mortgage production associated with purchase loans. Meanwhile, refinance lending rose...[Includes three data tables]