You can do this with VBA. You'll need to modify the constants at the top if your sheets aren't all the same. It uses the currently active sheet so select the one you want before running the macro.
Option Explicit Sub AddNamedRanges() Const NumberOfRanges As Long = 202 'How many ranges to create Const HeightOfRanges As Long = 252 'How tall to make each range Const RefersToColumn As Integer = "B" 'Which column to reference Dim r As Long For r = 1 To NumberOfRanges ActiveWorkbook.Names.Add "RANGE" & r, ActiveSheet.Range(RefersToColumn & (r - 1) * HeightOfRanges + 1 & ":" & RefersToColumn & r * HeightOfRanges) Next End Sub