Midlothian and Peebles Northern (UK Parliament constituency)

Midlothian and Peebles Northern was a county constituency represented in the House of Commons of the Parliament of the United Kingdom from 1918 until 1950. Along with Peebles and Southern, it was formed by dividing the old Midlothian constituency.

Boundaries
From 1918 the constituency consisted of "The Calder and Suburban County Districts, the burgh of Dalkeith, and that part of the Lasswade County District which is included in the extra-burghal portions of the parishes of Dalkeith and Inveresk."