Hi Malcolm HO 107/2175 is just Birkenhead and is a set of 2 CD's HO 107/2173 HO 107/2174 cover all the rest of the Wirral and they are also on a set of two CD's. I looked how many Ollerheads on the disks and there are... William a Joiner age 57 and family John a Gardener age 50 and family Mary a Laundress age 67 and family Thomas a Farm Labourer age 36 and family William a Farm Labourer age 36 and family And two servants, Sarah age 18 and Elizabeth 26 All of them are on HO 107/2173 except Elizabeth, she is on 2174. If you are interested in any/all of them I can copy and paste the census entries and send them to you as an attachment, let me know. George Ellis george@ellisg.freeserve.co.uk Crewe, Cheshire, England > Could you tell me which of the 1851 CD's contains Bromborough? > I want to buy it but I don't know which one to buy. > I'm looking for OLLERHEADs