KRISTEN LOWERY: She left behind four children. Lowery, 40, was a figurehead on social media, proclaiming her anti-mask and vaccine views that garnered high praise. Lowery had proclaimed herself a “free thinker” who wanted to “give a voice to the vaccine injured”. She died in September last week, leaving behind 4 children, the Daily Mail reported. Before she died, Lowery reportedly posted anti-vaccination material on Facebook, describing herself as an "ex-vaxxer".