Five people, believed to be members of the same family, were shot dead by a lone gunman in a Milwaukee home on Monday morning, a report said.

The victims, ranging in age from 14 to 41, were found dead inside a home on the city’s north side after a man called 911 and said “his family was dead,” according to the Milwaukee Journal Sentinel, citing police.

A baby inside the residence survived the bloodbath, Milwaukee Mayor Tom Barrett told reporters at the scene. Investigators believe the shooter decided to spare the infant.

The suspected gunman — identified by police sources as 43-year-old Christopher Stokes — was arrested after the 10:30 a.m. shooting.

Police recovered a weapon at the scene.

Milwaukee Police Chief Alfonso Morales said a man called 911 after the carnage and told dispatchers “his family was dead.”

Stokes has several prior arrests dating back to 2002, which prohibit him from legally owning a gun, according to online records.

He was sentenced to four-and-a-half years in prison in 2007 after pleading guilty to felony battery, felony bail jumping and felony intimidation of a witness.

In 2017, he pleaded guilty to misdemeanor disorderly conduct and was sentenced to a month in jail with work-release privileges.

With Post wires