The name "Haselden" is of Anglo Saxon origin pre-dating the invasion of the Normans and has many variations. One of the earliest references to the name, "Haselden," is seen in the "Domesday Book," commissioned by William the Conqueror in 1085. "The Domesday Book" was a survey of the taxable lands and property belonging to the King.

The name literally means a hazel valley. Hazeltine is a varient of the English place name, Hazelden, from any of the several places so-named from Old English hoesel= hazel + denu= valley.

Some variations are: Haselden, Hazeldon, Heselden, Hazeltine, Hazelton and Hesleden.

Sources:

1998 Grolier Interactive Encylopedia, Inc.