Släkthistoria för Diaper
Diaper Vad efternamn betyder
from Ypres in Flanders (western Belgium) with fused Anglo-Norman French preposition d' and loss of the French nominative singular -s whence de Ipra Dipre Dyper(e) in English medieval records. Warin Dipre e.g. is identical with Warin Dipres late 13th cent.(?) in London Met Archives (Hatfield Broad Oak Essex) for which see Deeprose. The vowel generally remained long /i:/ in Middle English becoming /ai/ in Modern English spelled Dyper or more commonly as Diaper through folk etymological association with the word diaper a type of white cloth sewn with geometric patterns. For variants with a short vowel see Dipper (1). Some early bearers listed below may alternatively belong at Dipper (2).
Källa: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
