Marston St. Lawrence is a village and civil parish about 4 miles (6.4 km) northwest of Brackley in the South Northamptonshire District in Northamptonshire, England. A stream flows through the village and another forms the southern boundary of the parish. The two merge as Farthinghoe Stream, a tributary of the Great Ouse. The 2001 UK Census recorded the parish population as 209.
For more information, see the EN Wikipedia article Marston St. Lawrence.