The Ontario Provincial Police say they were called to a disturbance in the Village of New Lowell on Friday evening.
A 50-year-old woman was declared dead. Police have since identified the victim as Deena K. Brooks of Clearview Township.
A 49-year-old man, Mitchell I. Brooks, of Clearview Township, has since been charged with second-degree murder.
He appeared in court on Saturday.
Police say no further details are being released as a result of a publication ban.