An Irish and Scottish surname the Logan family name originated in Ulster, Scotland and later became popular in Ireland. The Gaelic term of ‘lagan’ refers to something being hollow. The Irish version was spelled O Leonghain.

Spelling variations for Logan include O‘Lohan, Lohan, Loughan and Loghan.

The city of London and then in northern England, such as Durham and Lancashire have the greater Logan populations.

In Scotland the Ayrshire region have the earliest Logan families. Many later resettled into neighboring Renfrewshire, Lanarkshire and Midlothian.

The states of New York, Missouri, Illinois, Ohio, Pennsylvania, New Jersey, Kansas, Texas, Washington, California and Iowa within the United States have higher populations with the Logan name.

Famous: John Logan (poet from Scotland), Joshua Logan (theater and movie film director), Benjamin Logan (18th century pioneer in Kentucky), Boone Logan (professional baseball player), Carlos Logan (footballer in England), David Logan (professional football player), Ella Logan (signer and actress), Thomas M. Logan (Civil War Confederate Army general) and William Logan (founder of Loganair - an air taxi service in Scotland).