The model, named the "Queen of Snapchat" by Sports Illustrated, GQ and others, had been suffering from neck pain and was seeking treatment prior to her stroke, which occurred on Monday. Her brother Stephen May confirmed the news to PEOPLE in a statement from the family.
"It is with heavy hearts that we confirm the passing today of Katie May – mother, daughter, sister, friend, businesswoman, model and social media star – after suffering a catastrophic stroke caused by a blocked carotid artery on Monday," the statement reads.
Source: Katie May / Instagram
"Known as MsKatieMay on the Internet and the “Queen of Snapchat," she leaves behind millions of fans and followers, and a heartbroken family. We respectfully ask for privacy in this this difficult time. Those wishing to contribute to the living trust being set up for the care of her young daughter may do so at her GoFundMe page."
May's brother added to PEOPLE: "Katie was a star in every sense of the word and I'll never stop missing her."
May is survived by her 7-year-old daughter, Mia, and there is now a GoFundMe page to raise money for Mia's education.
"Anyone who was lucky enough to know Katie May was truly blessed by her incredible heart, mind and soul," the page says. "She was an inspiration and a guiding light to so many people in this world."
"Please help us by donating money to support her daughter and best friend Mia. Mia was Katie's whole life, so please help Katie, Mia and us by donating money to Mia."
May started her career as a successful public relations representative, before leaving the corporate world for modeling. She built her success through her popular social media pages, boasting 1.9 million followers on Instagram.