The associated coat of arms for this name are recorded in J.B Rietstaps Armorial General. Illustrated by V & H.V Rolland's. This Monumental work took 23 years to complete and 85,000 coats of Arms are included in this work. This German name of LAHR was from a medieval given name, originally derived from the Latin Hilarius, meaning cheerful and glad, happy and joyful. The name has many variant spellings which include HILLE, HILLEMAN, HILLIARD, HILLY, HIEBLER and ELLERY. The Latin name was chosen by many early Christians to express their joy and hope of salvation, and was borne by several saints, including a 4th century bishop of Poitiers, noted for his vigorous resistance to the Arian heresy, and a 5th century bishop of Arles. Largely due to veneration of the first of these, the name became popular in France in the forms Hilari and Hilaire, and was brought to England by the Norman conquerors. The name has a second origin, from the Latin Eulalia, meaning eloquent and well-speaking, chosen by early Christians as a reference to the gift of tongues, likewise introduced into England by the Normans. A Saint Eulalia was crucified at Barcelona in the reign of the Emperor Diocletian, and became the patron of that city. Because of the close relationship between the English and German languages, some Germans are able to transform their names to the English form just by dropping a single letter. Many Germans have re-spelt their names in America. A great number of immigrants from Germany settled in Pennsylvania. After the start of the first World War, Germans in great numbers Anglicized their names in an effort to remove all doubt as to their patriotism. Afterwards some changed back, and then during World War II the problem became acute once more, and the changing started all over again, although not with as much intensity. German or Teutonic heraldry extended its sphere of influence over central Europe and spread into Scandinavia. It is most notable for its design and treatment of crests, most of which reflect the arms in the charge or tinctures (colours) or both, which is unknown in British heraldry. Teutonic Europe assembled many arms on a single shield, each bearing its corresponding crest on a helmet.