Claim: Alexander Loyd (born August 19, 1805), a member of the Democratic Party, was the 4th Mayor of Chicago.
Evidence: 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. Loyd became the 4th Mayor of Chicago in 1840, defeating incumbent Whig Benjamin Wright Raymond. 
Alexander Loyd 4th Mayor of Chicago (1805-08-19)August 19, 1805
Orange County, New York Democratic