What is the meaning of Whitehead?

A pimple formed by a clogged sebaceous gland, usually with a milky-white cap.

A species of passerine bird, endemic to New Zealand (Mohoua albicilla)

The blue-winged snow goose, Anser caerulescens caerulescens.

The surf scoter duck.

A domestic pigeon of a particular breed; a white-tailed monk.

Source: wiktionary.org