The origin is German.
Walther Andreasen's birth name is Walther Ove Andreasen.
Susan Walther's birth name is Susan Pamela Walther.
Troels Walther's birth name is Troells Walther Toya.
Walther Brauchitsch's birth name is Heinrich Alfred Walther von Brauchitsch.
Salt Walther's birth name is David Walter.
Walther
ROHM, RG, RECK, WALTHER, to name a few.
1938. Hence the name.
The meaning oF Andrew is kingdom..
Connie Walter's birth name is Connie Walther.
Anne Jameson's birth name is Ann V. Walther.
There is no "one" name. Thompson, Walther, Ruger, UD, Sten, etc..