Meaning: Its source is an English expression meaning "A blue, crested bird."

Alternative Spellings: Jaelynn, Jalynn, Jaylyn, Jaelyn, Jaelyne, Jalyn, Jalyne, Jalynne, Jaylin, Jayline, Jaylyne, Jaylynne and Jaelynne

Popularity: The name Jaylynn ranked 880th in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics.

Narrative: Some authorities derive this name from the Latin name Gaius, meaning ''happy.'' Others assert that it originated as a nickname for any name beginning with the letter ''J.''