Keiria and Matthew Trent were found safe in the eastern part of the county a few hours after the alert was issued.
Keiria has returned to her home. Matthew Trent was taken into custody and is facing several charges, police said.
The abduction happened at around 5 p.m. at a home in the 100 block of North 11th in Newark, a news release stated.
Police say 27-year-old Matthew Trent took his 1-year-old daughter from her home while she was being watched by her older sister.
Trent left with his daughter in a 2006 black Saturn Ion with red rims, with Ohio plate number GUF5050.