"She's not gone; she's brain dead", said her mother, Esaw Snipes, the Times reported.
The 27-year-old remained on life support Thursday morning. Many were suspicious, given the family's history with New York Police.
Erica has four siblings: Shardineé, Emerald, Eric Jr. and Emery.
News of her condition carried the tragic connection of her father's death. The page is no longer active. It also spurred Erica Garner into activism.
N Korea slams new United Nations sanctions as an 'act of war'
Tension has been rising over North Korea's nuclear and missile programs, which it pursues in defiance of years of U.N. Security Council resolutions, with bellicose rhetoric coming from both Pyongyang and the White House.
The Rev. Al Sharpton prayed with the family at the hospital Thursday.
It was a haunting reminder of her father's last words.
On December 30, 2016, Erica and her daughter visited her father's memorial. "I have had the privileged of joining with her at a number of events and was deeply impressed with her courage and insights".
But a grand jury in NY declined to indict Officer Daniel Pantaleo, who used the chokehold while attempting to arrest Garner for allegedly selling untaxed cigarettes outside a Staten Island store.
After giving birth in August, Garner suffered her first heart attack.
Man arrested in Phoenix killings of estranged wife and 2 kids
Several residents waited in parked cars across the street for hours until police resolved the incident. "It's eerie. I feel bad for whoever is going through this", said Kristen Alexander, a resident at the complex.
Garner has been in a coma since Saturday after an asthma attack triggered the massive heart attack.
Following a heart attack, activist Erica Garner has reportedly been listed as brain dead. Doctors said the pregnancy had put strain on her heart, which was found to be enlarged. Twitter has been alight with reactions to the news, including hopeful affirmations that Garner will make it through.
Garner has a two-year-old daughter, Legacy, with a woman named Jewel Miller. The elder Garner had been put into a chokehold by an officer with the New York Police Department and could be heard pleading, "I can't breathe!"
Davis was a longtime Atlanta news anchor, having spent 26 years at WAGA FOX5 before moving to CBS46 as a morning news anchor, where she had been working for the past year.
Garner's Twitter account has become a place for people around the country to share their prayers for and memories of her over the past several days.
After Christmas, holiday shopping season continues
Retail experts are recommending consumers to wait and make their returns the first week of January to avoid long lines. She does not shop the day after Christmas every year, but she did this year "because we need the Christmas lights".