Here is a list of some popular and critically acclaimed horror movies from 2019 with a brief summary:

• “Midsommar”: A couple travels to a remote Swedish village to visit a festival that only takes place every 90 years, but what begins as a carefree summer holiday takes a sinister turn.
• “Us”: A family’s serene beach vacation turns to chaos when their doppelgängers appear and begin to terrorize them.
• “Halloween”: Laurie Strode comes to her final confrontation with Michael Myers, the masked figure who has haunted her since she narrowly escaped his killing spree on Halloween night four decades ago.
• “The Lighthouse”: The story of an aging lighthouse keeper named Thomas Wake at the turn of the 20th century, living alone on a remote and mysterious New England island, who takes on a new assistant, Ephraim Winslow, a man with a troubled past.
• “The Blackcoat’s Daughter”: Two girls must battle a mysterious evil force when they get left behind at their boarding school over winter break.
• “The Prodigy”: A mother concerned about her young son’s disturbing behavior thinks something supernatural may be affecting him.
• “The Perfection”: Two cello prodigies, one a disciplined perfectionist, the other a free-spirited wild child, must confront their rivalry when they are reunited years later at a prestigious music school.
• “Eli”: A young boy receiving treatment for his auto-immune disorder discovers that the house he’s living in isn’t as safe as he thought.
• “Pet Sematary”: Based on Stephen King’s novel, a family moves to a rural home where they are haunted by the ghosts of the dead from a nearby Indian burial ground.
• “Greta”: A young woman befriends a lonely widow who’s harboring a dark and deadly agenda toward her.

Please note that this list is not comprehensive and other horror movies might also be considered as best, but these are some of the popular and critically acclaimed horror movies of 2019.