Von Maron was born in Vienna, but moved at a young age to Rome. There, he studied under Anton Raphael Mengs, and became an accomplished portrait painter. He married a sister of Mengs, Therese Maron, who was a painter in her own right. He lived the rest of his life in Rome, and died there in 1808.
There is a portrait by this painter in the Fogg Art Museum in Cambridge,Massachusetts("Archibald Menzies").There is another painting by Anton Von Maron in the Museum of Fine arts,Houston,Texas("Return of Orestes").