One-Name Genealogical Study on the surname Shillabeer and variants which include Shillibeer, Shellabear(e), Shillaber and Shillibier. [The original link is broken. This link points to an archived copy on the Wayback Machine]
This database contains a listing of Shurrock families (and closely related names such as Sherrock, Sharrock, Sherrug) that originated in the counties of Buckinghamshire & Oxfordshire. Many of the oldest records have the spelling Sherrug which may have originally been a phonetic spelling of Sharrock. In order to find many of the 'Shurrocks' listed here I searched the following names; Shurrock, Sherock, Sherrock, Shreek, Shunick, Sherrick, Sharrocks, Thurrock, Shurcock, Shwrrack, Shurrick, Sturrock, Shurrug and Sherris all of which give information on the Shurrock family line.