Places in Cumbria - Cryptic clues. Not sure how many letters

[Kjohn]

1. Is it like migraine? 2. Sounds as though it's not Posh's.
3. How this politician is found in the telephone directory.
4. Chatter glibly before a broad valley.

[Mamyalynne]

2 Beckside ?

[alexanderd]

3 underwood ?

[Kjohn]

Thanks both, much appreciated.