Baby Names Gender-Neutral Names Meaning of the Name Shannan Updated April 14, 2026 by Jennifer M. Shannan Gender: Neutral Origin: Irish Meaning: Old ♥ Add to my Namelist What is the meaning of the name Shannan? The name Shannan is primarily a gender-neutral name of Irish origin that means Old. form of ShannonPeople who like the name Shannan also like: Eric, Brendan, Ace, Callum, Declan, Wyatt, Rian, Elizabeth, Erin, Elisabeth, Victoria, Shanna, Briana, Isabella Names like Shannan: Sianey, Suzume, Swann, Susumu, Sameya, Sona, Simona, Souma, Shine, Shaunna, Sema, Shannen, Sienna, Sani, Sen, Shaina, Snana, Susan, Sokanon, Snow, Sequin, Seanna, Sanam, Scianna, Simone, Samiya, Shoshanah, Shawanna, Simeona, Saima Stats for the Name Shannan Shannan is currently not in the top 100 on the Baby Names Popularity Charts Shannan is currently not ranked in U.S. births