From en.wiktionary.org:
** English
*** Alternative forms
- [en]
*** Etymology
- English: Nickname for a dull or stupid person, from [en] ; or an adaptation of Irish Ó Dhollaird. - Other languages: can be related to pain/suffering, similar to Dolores ; can be about mourning (see in Filae (see https://www.filae.com/nom-de-famille/DOLLARD.html) ); or it can derive from rivers named Dollart or Dullaert (Middle Dutch “madman, savage”).
*** Proper noun
[Dollards]
1. [en] .
**** Statistics
- According to the 2010 United States Census, _Dollard_ is the 17970 <sup> th </sup> most common surname in the United States, belonging to 1555 individuals. _Dollard_ is most common among White (71.32%) and Black/African American (23.92%) individuals.
*** See also
[en]
*** Further reading
- [R:en:DAFN]