Dagmar Lykke Sørensen born 1/2/1891 Højby ; and Agnes Kamilla Lykke Sørensen born 26/2/1893 Højby. But I could not find either of these in the Højby church registers either.
There are 6 places in Denmark called Højby.
You can search for Danish place names at http://www.krabsen.dk/stednavnebase/
Agnes Kamilla Lykke Sørensen was born in Højby parish, Åsum district, Odense county:
1892-1914, Højby, Åsum, Odense, opslag 33