About the Sunderland surname
The surname Sunderland has a primarily toponymic formation. The morphology of Sunderland is compatible with many English surnames derived from a place-name or landscape element. The underlying locality or root should be confirmed in historical sources. This formation belongs to the broad group of surnames connected with a place or geographic feature. Families bearing the same surname may nevertheless come from different places when more than one locality produced a similar name.
Pronunciation:
San-deur-leund/sʌndœʁlœnd/