A major update to this Ancestry England & Wales, National Probate Calendar (Index of Wills and Administrations) database, originally released in August 2010. It now contains summaries of the "vast majority: of probate cases in England and Wales between 1858-1966. That's an expansion from the original period, 1861-1941.
Name indexed, the calendar typically includes:
Full name of the deceased
Registry where issued