Wirral Archives Service holds records for the following organisations, societies, clubs and individuals. These collections include records of sport, politics, charity, literature and local history.

YBB - Bebington Bowling Club
YBC - Birkenhead and District Co-operative Society
YBE - Lawrence Beswick
YBH - Birkenhead History Society
YBL - Birkenhead Liberal Association
YBP - Birkenhead Parliamentary Debating Society
YCA - Birkenhead and Wirral Invalid Children's Association
YCB - Birkenhead Citizens Advice Bureau
YCR - P. E. Cleator
YDA - Davenport deeds
YDX - Laird family deeds
YDY - Railway and Tramway Memorabilia
YEB - Egremont Baptist Church
YFA - Wirral District Football Association
YFP - Wirral Footpaths and Open Spaces Preservation Society
YGB - Wirral Green Belt Council
YHD - Edward Hubbard
YHG - Haworth and Gallacher, solicitors
YHGC - Heswall Golf Club
YHT - Higher Tranmere High School Old Girls Association
YIM - Wirral Images
YJB - Jabberwocky Poetry Society
YLO - Lowndes, Lloyd, Hilton and Wardle, solicitors
YLS - Birkenhead Citizens League of Service
YMC - Birkenhead YMCA (Young Men's Christian Association)
YMH - Minto House School, Meols
YMS - Birkenhead Medical Society
YMT - Mayer Trust
YPA - Birkenhead and Wirral Pharmacists' Association
YRP - Trustees of the Rock Park Estate
YSB - Shaftsbury Boys Club
YSD - Alderman G. A. Solly
YSF - Society of Friends (Quakers) - Birkenhead and Wallasey Meetings
YSM - Arthur Smith Collection of Political Leaflets
YST - Soroptimists International, Birkenhead Club
YUN - United Nations Association, Birkenhead Branch
YVC - Birkenhead Vigilance Committee
YVR - 1st Volunteer Battalion, Cheshire Regiment
YWB - E. Cuthbert Woods and P. Culverwell Brown (local historians)
YWC - Birkenhead YWCA (Young Women's Christian Association)
YWS - The Wirral Society
YWT - Anne Glassey Trust (Wallasey Tuberculosis and Chest and Heart Welfare Trust)
YPX - Small Private Deposits Collection