Family name origins & meanings
- English : occupational name for an extractor or seller of oil, from a metathesized form of Anglo-Norman French olier (from oile ‘oil’, Latin oleum ‘(olive) oil’; compare Oliva). In northern England linseed oil obtained from locally grown flax was more common than olive oil.
- English : from the Continental Germanic personal name Odilard, Oilard, introduced by the Normans.
- Americanized spelling of German Euler or of Swabian Äuler, a topographic name for someone who lived by a water meadow, Äule, a diminutive of Au.