Baby Names Gender-Neutral Names Meaning of the Name Shannan Updated December 14, 2025 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: Luke, Rian, Eric, Brendan, Callum, Declan, Mason, Shanna, Briana, Elizabeth, Isabella, Erin, Victoria, Elisabeth Names like Shannan: Shimea, Shawn, Shani, Sina, Susumu, Simon, Sianey, Sania, Saxon, Samiya, Shima, Sanne, Sagan, Shino, Swan, Swain, Sumaya, Shigemi, Seana, Samein, Samoa, Sun, Sen, Sanaye, Sian, Sanam, Sema, Shaman, Simeona, Sohan 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