Her hair soon became striped, and in seven years was totally white.

The same article speaks of a girl in Bedfordshire, Maria Seeley, aged eight, whose face was swarthy, and whose hair was long and dark on one side and light and short on the other.

One side of her body was also brown, while the other side was light and fair.

She was seen by the faculty in London, but no cause could be established.
Voigtel mentions the occurrence of canities almost suddenly.

Bichat had a personal acquaintance whose hair became almost entirely gray in consequence of some distressing news that reached him.