3 occurrences in 3 dictionaries
Reference: Lecah
Fausets
Son of Er (1Ch 4:21). Perhaps "Er, father of Lecah" means "founder of" Lecah, a town.
Morish
Le'cah
Son of Er, a descendant of Judah. 1Ch 4:21.
Smith
Le'cah
(progress), a name mentioned in the genealogies of Judah,
only, as one of the descendants of Shelah, the third son of Judah by the Canaanites Bath-shua.