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Dictionary of Medieval Names
from European Sources

Loveday f. Old English lēof 'dear, loved' + Old English dæġ 'day'.

According to Withycombe s.n. Loveday, the name was often given to children born on a 'love day', a dies amoris, that is, a day for disputants to come together to try to resolve their differences amicably.

England
Latin
1381 Loveday (nom) Suffolk1381 p. 82
Early Modern English
1579 Lowdy COmar-vol2 p. 71; 1582 Lowdy DEmar-vol2 p. 8; 1584 Lowdy COmar-vol2 p. 71; 1589 Lowdy ibid. p. 72; 1590 Lowdy ibid. p. 72
Cite as: S.L. Uckelman. "Loveday". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Loveday.