MallowbyNames

Morganna

mor-GAH-nuh · Of uncertain origin; possibly derived from Welsh Morcant or a feminine form of Morgan, with meanings including 'sea circle' or 'bright sea.'

Peak popularity
2003
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Morganna since 1984

Babies named Morganna per year in U.S. Social Security records.

59141990200020102020Most births 2003Girls
Data table (by decade)
DecadeGirls
1980s18
1990s40
2000s48
2010s20
2020s0

Meaning & origin

Morganna is a rare feminine name that first appeared in U.S. records in 1984, reaching its highest usage in 2003 before settling into a stable but low frequency. Its meaning is debated, with the most plausible derivation being from the Welsh name Morgan, which itself combines elements for 'sea' and 'circle' or 'bright.' The suffix -anna adds a lyrical, romantic quality shared with names like Brianna. Though the name has never broken into the top 1000, its peak in 2003 suggests a brief moment of interest possibly tied to cultural references or phonetic trends. Today, Morganna remains a distinctive choice, appealing to parents drawn to Celtic roots and mythological echoes.

Morganna is likely a variant of Morgan, which derives from the Old Welsh name Morcant, composed of elements 'mor' (sea) and 'cant' (circle or completion). The spelling with '-anna' may reflect a feminizing suffix or an influence from names like Brianna. The name entered limited use in the United States in the late 20th century, with its peak in 2003, though it has never ranked among the top 1000 names. In Arthurian legend, Morgan le Fay is a prominent figure, but the name's direct connection is uncertain.

Nicknames & variants

Nicknames: Morgie, Anna, Megan

Variants: Morgana, Morganne

Sibling names for Morganna

Names that share Morganna's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

M is for Morganna, our favorite little girl.

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Questions parents ask

What does the name Morganna mean?
Morganna is of uncertain origin, but it is likely related to the Welsh name Morgan, which may mean 'sea circle' or 'bright sea.'
How popular is Morganna?
Morganna has never ranked among the top 1000 names in the U.S. It first appeared in 1984 and peaked in 2003, but remains rare.
Is Morganna a boy or girl name?
Morganna is almost exclusively used for girls.