When Gertrude Iversdatter was born about 1703, in Gauerslund, Holmans, Vejle, Denmark, her father, Iver Thomsen, was 44 and her mother, Sørensdatter, was 35. She married Søren Madsen about 1741, in Gauerslund, Koldinghus, Denmark. They were the parents of at least 2 sons and 2 daughters. She died in 1760, in her hometown, at the age of 58, and was buried in Gauerslund, Holmans, Vejle, Denmark.
From a Germanic female personal name, derived from gār, gēr ‘spear’ + þrūþ ‘strength’. The name is not found in England immediately after the Conquest, but only in the later Middle English period. It may have been introduced by migrants from the Low Countries who came to England in connection with the cloth trade, and was certainly in consistent use in some areas throughout the 16th and 17th centuries, although it was not generally popular until the 19th century, when many medieval names were revived. It has now fallen from favour again.