Police say 42-year-old Shawn Custis was arrested in the Inwood section Manhattan.
He has been charged with attempted murder, robbery, burglary and endangering the welfare of a child.
He punched and kicked her repeatedly, then threw her down the stairs.
The victim’s husband issued this statement to PIX11:
“We are forever grateful to the incredible team of law enforcement officers for their hard work over the past week. Thanks to these heroes, our family can now begin the next chapter of our healing. We also want to thank everyone in the Millburn community, the Millburn Workmoms, and those from across the country for the outpouring of support.”