Try to contact this person. I found her email contact info for Frederikshavn (this is the correct spelling) on another website. the following is all the information listed regarding that region and the areas it covers:
Gerda Dybro
gd@logy.dkFrederikshavn Local Archive
Birth, death, and marriage records from Hjørring Amt (kirkebøger)
Census of:
Horns Herred
Vennebjerg Herred
Census of 1787 and 1801 from:
Ingstrup
Saltum
Alstrup Hjermitslev
Jetsmark