Lyda is a derivative of the English and German name Leda.
Lyda is also a derivative of the English name Leta.
Lyda is also a contracted form (English) of the English and German name Lydia.
Lyda is uncommon as a baby girl name. At the modest height of its usage in 1901, 0.022% of baby girls were named Lyda. It was #389 in rank then. The baby name has substantially slipped in popularity since then, and is currently of sporadic use. In 2018, within the family of girl names directly related to Lyda, Lydia was the most frequently used.
† Pronunciation for Lyda: L as in "lay (L.EY)" ; AY as in "side (S.AY.D)" ; D as in "day (D.EY)" ; AH as in "mud (M.AH.D)"