The Polish surname Stasiak is of patronymic origin, deriving from the personal name of the father of the initial bearer. In this instance, the surname Stasiak derives from the personal name “Stasio” which is a pet form of the name “Stanislaw” and the Polish patronymic suffix “-ak” denoting “descendant of”. Therefore, the surname Stasiak signifies “son or descendant of Stasio (Stanislaw)”. The personal name Stanislaw is composed of the Slavic elements “Stan” which means “become” and the “slav” meaning “glory, fame, praise”. Among the variants of the surname Stasiak are Stasicki, Staszak, Staczyk and Stancaak, References to the surname Stasiak or to its variants include a record of a noble Polish family named Stacayk. A descendant of this house, Stanislaw, was the president of the Arts and Science society in Warsaw. He was a biologist, poet and writer and in his youth visited many European countries. Up in Warsaw he dedicated his life to science. He became a government administrator, in which he earned the recognition of the Polish Crown and later from the Russian Czar Alexander I. He advanced throughout different positions in the hierarchy of the Russian administration. Stanislaw Stasayk worked for the well fare of Poland and Russia. Because his intensive work style he became ill and in 1824 he had to give up his work. Alexander I decorated him with the order of the White Eagle and appointed him minister of the state. He founded the medical school of Warsaw and created the nationwide mining industry in Poland. In his states of Rubieszow he employed several hundred families to whom he gave lands and the deeds of these lands. In his will he left all his properties and possessions to the institutions to be distributed among the needy people.

Blazon of Arms: Quarterly; 1^st and 4^th azure; on a terrace vert, a castle argent of two towers opened gates, between the towers an eagle of two heads displayed or; 2^nd and 3^rd gules, a griffin rampant or, holding in its Dexter claw a scythe argent; the second griffin reversed.

Stasiak is a Polish surname of patronymic origin. It is derived from the personal name "Stasio", a pet form of the name "Stanislaw" (composed of the Slavic elements "Stan", which means "become" and "slaw", meaning "glory, fame, praise"), and the suffix "-ak", denoting "descendant of". So, the surname Stasiak signifies "son or descendent of Stasia (Stanislaw)".

Variants of the surname include Stasicki, Staszak, and Stanczak.

http://en.wikipedia.org/wiki/Stasiak