Origin of last name?

Question:Where do these names come from (as in what countries belong with which names)?

Freiling
Knotz
Eckes
Mingo

Best Answer - Chosen by Asker: Where do these names come from (as in what countries belong with which names)?

Freiling
Knotz
Eckes
Mingo

Most people named Freiling have ancestors from Germany or the Netherlands. Some were also Russian.

Most immigrants with the name Knotz were from the Empire of Austria-Hungary.

Eckes is very much a German name, and primarily from the Hanoverian regions.

Mingo is as much Native American as it is English, Portuguese, Spanish, Hungarian, French and African. Take your pick (or do it the easy way and research your line to find out where your own ancestors originated.)

This is what www.ancestry.com had to say about the names, I couldn't find anything for the surname knotz, sorry.
Frieling Name Meaning and History
Jewish (Ashkenazic): ornamental name from Yiddish friling ‘spring’, or a Yiddishized form of Fruhling.
German: from a status name meaning ‘free man’ (as opposed to bondsman in the feudal system), Middle High German vriling ‘free man’.
German: habitational name from any of several places named Frieling.
German: variant of Frühling (see Fruhling).
Eckes Name Meaning and History
North German: patronymic from a short form of Eckhardt (see Eckert).
Mingo Name Meaning and History
Spanish and Italian: from a short form of the personal name Domingo, Italian Domenico.
Hope this helps.

All of the first three look Teutonic/Germanic in origin.

Mingo was a name for American Indian - probably applied by the Europeans, or spelled phonetically for an Indian pronunciation.

The surname 'Knott' which might possibly be the origin of your Knotz, is Old Norse and it is said "possibly used to describe a thickset person"
Many names acquired a final 'S' sound as the result of deference to someone in higher authority, for example, "What's your name, my man?" "It be Badger-zur" The Badger runs into the sir and becomes Badgers.
This happened often in the early days of the Census when most people had their forms completed by an ennumerator because they were unable to read and write (my own Gt. grandparents both signed the marriage register with a X in 1851).
Possible, maybe, that is how you acquired a z on Knott if that is the origin.