86-year-old Everett Taylor of Ottawa was arrested Tuesday after Ottawa Police said Taylor struck a woman in the head with a hammer.
The incident occurred on July 30.
Ottawa Police say the woman was taken to the hospital and treated for non-life threatening injuries.
Taylor was charged with felony Aggravated Domestic battery.
Taylor's bond was set at at $35,000.
Police said they responded to the incident on the 2800 block of Turnberry Drive at about 5:30 p.m. on July 30.
Taylor also fell during the incident, and he was treated for his injuries.