The name Lester is a boy's name of English origin. Lester and is often added to lists like Popular English Boys' Names and discussed in our forums with posts like "Olivia and Ian: A Brother - Sister Name Chain".
From the experts:
Lester is one of the British surname names that were popular in the US in the early decades of the twentieth century: it was in the Top 100 through 1931, reaching a high of Number 52 in 1906. But dropping of the list in the late 1990s, along with Hester and Sylvester, we don't see much hope for a return visit.