Gender / Sex: boy (Shannan's also a girl name)
Meaning: old, ancient
Sounds Like: Shannen, Shanan
Similar Names: Cannan, Chanan, Chandan, Channon, Shayan, Kannan, Shaan, Shann, Shandon, Shanahan, Shanon, Shanen, Shawnn, Tannan
Shannan \sh(an)-nan\ as a boy's name (also used as girl's name Shannan), is a variant of Shannon (Gaelic), and the meaning of Shannan is "old, ancient".
The baby name Shannan sounds like Shannen and Shanan. Other similar baby names are Cannan, Chanan, Chandan, Channon, Shayan, Kannan, Shaan, Shann, Shandon, Shanahan, Shanon, Shanen, Shawnn and Tannan.
Shannan is not a popular first name for men and an equally uncommon surname or last name for both men and women. (1990 U.S. Census)