What was the 2011 population of the town having the highest proportion of the English surname Myerscough?
Myerscough:  The name originates from the hamlet of Myerscough, in the parish of Myerscough and Bilsborrow near Preston, which has been an important land holding by the Duchy of Lancaster since 1267. Myerscough:  Although the name originates from a hamlet near Preston, the town with the highest proportions of Myerscough's is Fleetwood in Lancashire.
i don't know