Delmer Is A Boy’s Name Of Old French And Spanish Origins. Meaning “mariner” Or “of The Sea,” The Name May Bring To Mind Images Of A Baby Delmer As A Sailor Or Merman. This Romantic Imagery Speaks To The Allure That The Sea Has Long Held Over Humanity, Perhaps Because All People Start Out As Aquatic Animals In Utero. Beautiful And Mysterious, Untameable And Fierce, The Sea Is An Evocative Namesake For Baby Delmer, One That Will Have Him Yearning For Its Cool, Crashing Waves.