"SISU" is a term borrowed from the Finnish that means strength of will, determination, perseverance, and acting rationally in the face of adversity. Not momentary courage, but the ability to sustain that courage.
The posted coordinates will bring you to a dedication marker for such an individual.
Represent the birth date of this individual as AB-CD-EFGH.
This cache can be found at:
N41 52.CFE W88 10.AB(C+D)