The Dorsey's

·  Family name of the barons Netherthorpe  

English and Scottish: occupational name for a maker of objects of wood, metal, or bone by turning on a lathe, from Anglo-Norman French torner (Old French tornier, Latin tornarius, a derivative of tornus ‘lathe’). The surname may also derive from any of various other senses of Middle English turn, for example a turnspit, a translator or interpreter, or a tumbler.

English: nickname for a fast runner, from Middle English turnen ‘to turn’ + ‘hare’. 

English: occupational name for an official in charge of a tournament, Old French tornei (in origin akin to 1).   

Jewish (eastern Ashkenazic): habitational name from a place called Turno or Turna, in and , or from the city of Tarnów (Yiddish Turne). Translated or Americanized form of any of various other like-meaning or like-sounding Jewish surnames. 

South German (T(h)ürner): occupational name for a guard in a tower or a topographic name from Middle High German turn ‘tower’, or a habitational name for someone from any of various places named Thurn, for example in Austria.  
Pickens

Origin: Dutch -A pure heart, from rein, pure. 

Coat of Arms: The colour Azure, Blue, in this coat of arms symbolizes Loyalty and Truth. It also reflects the hopes, ambitions and aspirations of its original bearer.
Surname: In the year 1621 we find a reference to the surname Pickens. Variants for this surname include Pickins and Picken. The name of General Andrew Pickens is documented in historical archives.
Scottish and Irish: variant of Picken. English (mainly West Midlands ): from a diminutive of Pick.
English and Scottish: from the Anglo-Norman French personal name Picon, Pi(c)quin, a pet form of Pic. The Scottish surname has been established in County Cavan, , since the 17th century.

Origin: German: probably a variant of Pick 1 or 2. 

1. English (mainly East Midlands), Dutch, and German: from Middle English pi(c)k, Middle Dutch picke, Middle High German bicke ‘pick’, ‘pickaxe’, hence a metonymic occupational name for someone who made pickaxes or used them as an agricultural or excavating tool.
2. North German: metonymic occupational name for a pitch-burner, from Low German pick ‘pitch’.

First found in Saxony , where this family became a prominent contributor to the development of the district from ancient times. Some of the first settlers of this name or some of its variants were: Henry Reinhard, who sailed to or in 1709. Also: Ulrich Reinhart, who sailed to Philadelphia in 1733. 
Keahey

Origin: Irish 
Bartley 

Origin: English: habitational name from Bartley in Hampshire, or from Bartley Green in the West Midlands , both of which are named with Old English be(o)rc ‘birch’ + lçah ‘woodland clearing’; compare Barclay. Americanized spelling of German (Swabian) Bartle and the Swiss cognate Bartli.
Reinhart 

German and Jewish (Ashkenazic): from a Germanic personal name composed of the elements ragin ‘counsel’ + hard ‘hardy’, ‘brave’, ‘strong’.