Spatialite Database (SQL) and CSV files with data of the Neolithic collective grave Odagsen I in Lower Saxony (Germany). Spatial data from individual hand-drawn plan sheets of the excavation from 1980 to 1984 digitised in AutoCAD 1996. The data were revised in 2019 and transferred via the dxf files to a spatialite database. The find lists of the excavation were digitised into an Excel spreadsheet in 1996. This table was transformed with R package reshape2::melt, data rows with column name and value are now available for each find number.