MallowbyNames

Gennesis

JEN-uh-sis · Of uncertain origin; likely a modern invented spelling of Genesis, referring to the biblical book of beginnings.

Peak popularity
2014
Usually for
Girls
Trend
Declining since 2013

Declining since 2013.

Popularity of Gennesis since 1990

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

1529441990200020102020Most births 2014Girls
Data table (by decade)
DecadeGirls
1990s138
2000s198
2010s273
2020s75

Meaning & origin

Gennesis is a modern respelling of the well-known name Genesis, which has biblical roots as the title of the first book of the Old Testament. This variant spelling, featuring a double 'n', first appeared in U.S. naming records in 1990, reflecting a broader trend of creative modifications to established names. The name reached its peak popularity in 2014, though it has never entered the top 1000 rankings. Since 2013, its usage has been on a declining trajectory. While the name lacks a strong historical or etymological background beyond its biblical reference, its modern and distinctive spelling appeals to parents seeking a unique twist on a classic word name. Top states for Gennesis are not recorded, indicating its scattered, low-frequency use across the country.

Gennesis is a modern respelling of the name Genesis, which derives from the Greek word 'genesis' meaning 'origin' or 'birth', most familiar as the title of the first book of the Bible. The spelling with a double 'n' emerged in the late 20th century as part of a trend of creative consonant-doubling and letter substitution (e.g., Jennesis, Gennessis). It was first recorded in U.S. data in 1990 and saw its peak usage in 2014.

Nicknames & variants

Nicknames: Gen, Nessi

Variants: Genesis, Jenesis, Gennessis

Sibling names for Gennesis

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

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

G is for Gennesis, our favorite little girl.

G is for Gennesis…”

In a Mallowby alphabet book, Gennesis's letter becomes Gennesis's page: hand-illustrated, printed hardcover or paperback, made just for them.

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Questions parents ask

What does the name Gennesis mean?
Gennesis is a modern invented spelling of Genesis, which in Greek means 'origin' or 'birth' and is the name of the first book of the Bible.
How popular is the name Gennesis currently?
As of the latest data (2025), Gennesis does not appear in the top 1000 rankings, indicating low current usage.
Is Gennesis typically a boy's or girl's name?
Gennesis is predominantly used for girls.