The following links show the distribution of the Lockwood surname.
1. English IGI records 15th to 19th Centuries County by County totals broken down into the following time periods: 1450-1599, 1600-1699, 1700-1799,1800-1899. Generally only baptisms and marriages were recorded.
2. UK 1881 Census Detailed breakdown with a Distribution Map. Totals show top 15 counties (Yorkshire is counted as 3 counties - West Riding, East Riding and North Riding). For all county totals, see the 1881 column in the next item below.
3. UK 1841 - 1911 County by County Census Totals
4. Canada 1881 Census State by State totals
5. USA 1790 - 1930 State by State Census Totals (may take a few minutes to download due to the large amount of data). Includes Census Distribution Maps for each census year - see how they moved out from the East coast to the mid-West to the West coast.
6. World 1991 Distribution (using telephone directories and electoral rolls)