Alec is a common name that has been used for many different people throughout history. SIR Alec is a 3 letter acronym for SIR Alexander, who was a British politician and the Prime Minister of the United Kingdom from 1957 to 1963. Alec BALDWIN is a 7 letter acronym for Alexander Rae BALDWIN III, an American actor, writer, producer, and comedian. Alec Waugh is a 5 letter acronym for Alexander Raban Waugh, an English novelist and the elder brother of the famous writer Evelyn Waugh.