Land Records Wicomico County, Maryland, 1666-1810 - Ruth T. Dryden. This volume contains deeds, patents and notes from wills and tax records (1666–1810) of portions of Somerset and Worcester Counties, Maryland, and Sussex County, Delaware. In the year 1767, there was an adjustment of the Maryland and Delaware boundaries which put some lands, which are now considered to be part of Wicomico County, in the state of Delaware. Wicomico County, Maryland, was formed in 1867, taken from the northern section of Somerset County and the northwestern part of Worcester County. A full name index and a map add to the value of this work. (1992), 2011, 5½x8½, paper, index, 494 pp.