When was William Whitehead - organist born?

There isn't enough information to answer your question. "William Whitehead" is a very common name and there are many organists with that name. To give you a more accurate answer, please provide more context. For example, you could specify:

* The location where the organist was born (city, country, etc.)

* A period of time (century, specific year, etc.)

* Any notable achievements or affiliations the organist had.

With more information, I can help you find the specific William Whitehead you're looking for.