MallowbyNames

Rainn

RAYN · Derived from the English word for water falling from clouds; also possibly a respelling of the name Rain or a variant of Raine.

2025 rank (girls)
#5,917
Babies named in 2025
20
Peak popularity
2023
2025 frequency
1 in 80,363 girls
Usually for
Girls & boys
Trend
Declining since 2022

Declining since 2022, #5,917 for girls today.

Popularity of Rainn since 2006

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

14294320102020Most births 2023GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
2000s3815
2010s8779
2020s179192

Meaning & origin

Rainn first appeared in U.S. birth records in 2006, a relatively recent addition to the naming landscape. Its rank of 5,917 in 2025 reflects moderate use, with a peak year of 2023 suggesting a brief uptick in interest. The trajectory has been falling since 2022, indicating a possible decline in novelty or competition from similar names. The name's 1 in 80,363 rarity underscores its niche appeal. Rainn's top states are not recorded, likely due to its wide but sparse distribution. As a modern coinage, it carries no deep historical or etymological baggage, making it a fresh, unisex option for parents seeking a nature-inspired name with a straightforward pronunciation.

Rainn is a modern coinage based on the English word 'rain', possibly influenced by the popularity of names with the 'ayn' sound or the spelling pattern of names like Braxton and Paxton. The name first appeared in U.S. records in 2006 and has seen modest usage since, likely as a nature-inspired, non-traditional choice.

Nicknames & variants

Variants: Rain, Raine, Rayne

Sibling names for Rainn

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

Sisters: Wren, Lark, Skye, River, Fern

Brothers: Forest, Storm, Reed, Griffin, Phoenix

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

R is for Rainn, our favorite little person.

R is for Rainn…”

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

Make Rainn's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Rainn mean?
Rainn is derived from the English word 'rain', referring to the precipitation, and is often chosen for its nature-inspired, modern feel.
How popular is the name Rainn?
As of 2025, Rainn ranked 5,917th in the U.S., with approximately 1 in 80,363 babies given this name. Its peak popularity was in 2023.
Is Rainn a boy's or girl's name?
Rainn is considered unisex, though it is more frequently given to girls in recent years.