Recorded as O' Ronan, Ronan, and Ronayne, this is an Irish surname. Although now quite rare it is of great antiquity. The clan were for many years 'erenaghs'. That was a status word which indicated minor nobility, erenaghs being hereditary land owners who were responsible for the adminstration and operation of church lands and property in any given area.
Dresden, Ohio is located in Muskingum County. Zip codes in Dresden, OH include 43821. The median home price in Dresden is $18 which is roughly $77/per square foot. More Dresden information.
Three of the county seats are in counties which have no incorporated cities. They are Mariposa in Mariposa County, Markleeville in Alpine County, and Weaverville in Trinity County. Five of the county seats are in counties which have only one incorporated city, but that city is not the county seat.