Alexander Loyd ( also Alexander Lloyd ) ( August 19 , 1805 -- May 7 , 1872 ) ) ) served one term as mayor of Chicago , Illinois from 1840 until 1841 for the Democratic Party .
Alexander Loyd ( August 19 , 1805 -- May 7 , 1872 ) was an American politician . He served one term as mayor of Chicago , Illinois from 1840 until 1841 for the Democratic Party .