If you go to the SURNAME search tool. Type in Butler and go down the alphabetical list to William. Find any William in the correct date range/location.
To the far right are the names of the profile managers who have data on that William Butler. You can click on the manager names to [send a private message] to the profile manager.
(You can click on the individual William to see the details - as William was born in 1654 his profiles should be public. You can also contact the Profile manager directly on Williams page(s) using the [send a private message] on his page.