Police were reported by the AP on Sunday as saying the women apparently suffered gunshot wounds, but investigators haven't released the cause of death.
Police marksmen had their guns trained on the house in the darkness and SWAT officers and the Federal Bureau of Investigation surrounded the house in Valley Forge Drive, Brunswick.
A Kent State University student was one of three people found dead at a home in southern Cuyahoga County.
Media and civilian bystanders gather outside the police blockade on Valley Forge Drive in Brunswick, Ohio. It is generally not understood who would have sought the women's deaths. The bouquet was still outside the home Sunday.
Brunswick police were advising residents to remain inside their homes until an all clear is given.More news: PGA Tour commissioner says Tiger Woods is like family
More news: Trump, EPA chief meet ahead of decision on climate change
More news: Saturday's $435 million Powerball is 8th largest in United States history
No arrests had been made as of press time.
Taylor Pifer studied fashion design at Kent State.
The 21-year-old wrote in the bio on her Facebook page: 'Life's too short to sit and wait for luck to come your way'.
Sonya Pifer, who told the station she is the stepmother of the two younger victims, said the two were college students and had been estranged from their father since they became adults.
Cleveland.com reports North Royalton Detective Dave Loeding says the mother was stabbed at least once, but investigators haven't recovered a knife.
Kylie was due to celebrate her 19th birthday on June 11, according to WEWS.