What is "illing"

"evil-doing, malevolent treatment," early 13c.; see ill (v.).

Illing is a surname, and may refer to:

• Marianne Illing (born 1974), Canadian water polo player
• Peter Illing (1899–1966), Austrian born, British film and television actor
• Vivian Illing (1900–2009), was, at the time of her death in 2009, thought to be the oldest living survivor of the 1906 San Francisco earthquake