Chief officer of a household or court
Derived from an English occupational surname, it originally denoted a high-ranking official who managed the living quarters of a sovereign or noble. The term evolved from Old French and Germanic roots referring to a room or chamber.
Less common today
Chamberlain isn't in the latest US Top 1000. It last peaked at #7,094 in 1990.
British Prime Minister during the early years of WWII
Legendary NBA basketball player
American Civil War general and Medal of Honor recipient
US births per 5-year period, 1990βpresent (SSA data).