Meaning:
Its source is an Old English expression meaning "Seaside valley."
Popularity:
The name Mardell ranked 3945th in popularity for females of all ages in a sample of the 1990 US Census.
Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.
Narrative:
This could be a compound of either Mary or Marsha and the male nickname Del.