What does Lech mean?
Lech \l(e)-ch\ as a boys' name is of Slavic origin. Slavic mythology: name of the founder of the Polish people. His brothers Russ and Czech were the progenitors of the Russian and Czech nations, respectively. The name was borne by Lech Walesa, the courageous shipyard worker and labor organizer who led the campaign to bring down the Communist government in Poland.
Lech is an uncommon given name for men but a very popular last name for both adults and children (#19445 out of 150436, Top 13%). (2000 U.S. Census)
Below is a charted analysis of the popularity of Lech and associated names. Russ is the only popular alternative form of Lech (#unlisted) rated in the Top 1000. These boy names reached the top of their popularity during the years 1960-1969 (usage of 0.433%) and are now significantly less widespread, with Russ becoming less stylish. (2014 Birth Statistics)
Lech is alike in pronunciation to Lock, Luc and Luck. Other suggested similar baby names are Lacy▼, Leigh, Les▼, Lex, Lexo, Luce, Lucho and Lugh. These names tend to be more frequently used than Lech.