Lennan: Last Name Origin and Family Crest

The last name Lennan is another written form of Lennon, a well-known Irish family name. Its meaning, shared with Lennon, is “Descendant of Leannán ("lover, sweetheart")”. Lennan is listed among the recognised spellings of Lennon. Local scribes, dialects and emigration all left their mark on how the name was written.

Related forms: Lenane and Linnane.

Arms linked to Lennon and its spellings were granted to individual families; our heraldry team traces which line they belonged to. Get the complete Lennan report, with a museum-style coat of arms.