1) Scandinavian boy name 
Sigtrygg (Sigtryggr) is an Old Norse given name, composed of the elements sig `victory` and trygg `trusty, true`. In Norse-Gaelic Ireland (9th to 11th centuries) rendered as Sitric or Sihtric (the patronymic Sigtryggsson as mac Sitriuc). The name is only rarely given in modern Scandinavian countries; it is mostly encountered in Iceland, in the...