MallowbyNames

Sonder

SAHN-der · Coined based on the concept of the realization that each passerby has a life as vivid and complex as one's own.

2025 rank (boys)
#2,884
Babies named in 2025
43
Peak popularity
2025
2025 frequency
1 in 39,723 boys
Usually for
Boys
Trend
Rising since 2020

Rising since 2020, #2,884 for boys today.

Popularity of Sonder since 2020

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

1429432020Most births 2025Boys
Data table (by decade)
DecadeBoys
2020s122

Meaning & origin

Sonder is a modern invented name that first appeared in U.S. Social Security records in 2020. By 2025 it had reached a rank of 2,884, a notable rise from its debut just five years prior. The name's trajectory shows a clear upward trend, with 1 in 39,723 newborns receiving the name in 2025, its peak year so far. California, where the name is most concentrated, has been the top state for Sonder since its inception. The name derives from a neologism coined by writer John Koenig for his lexicon of obscure emotions, The Dictionary of Obscure Sorrows, where 'sonder' was defined as the realization that every random stranger lives a life as vivid and complex as one's own. This philosophical undertone, combined with the on-trend 'er' ending, has given Sonder a niche appeal among parents seeking a meaningful and distinctive name.

Sonder is a neologism coined by user KeriannaA in 2012 for the web project The Dictionary of Obscure Sorrows, where it was defined as the realization that every random passerby has a life as vivid and complex as your own. Though invented as a word for a feeling, it was adopted as a given name in the late 2010s, likely influenced by the popular suffix -der found in names like Alexander and Xander. Its use as a name is entirely modern and not rooted in any historical naming tradition.

Where Sonder is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Nicknames & variants

Nicknames: Sonny, Dere

Sibling names for Sonder

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

Sisters: Nova, Aura, Luna, Vera, Iris

Brothers: Atlas, Orion, Felix, Jasper, Silas

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

S is for Sonder, our favorite little boy.

S is for Sonder…”

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

Make Sonder's book

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

Questions parents ask

What does the name Sonder mean?
Sonder refers to the profound realization that every random passerby has a life as vivid and complex as one's own. It was coined as a word in 2012 by The Dictionary of Obscure Sorrows and later adopted as a given name.
How popular is the name Sonder?
As of 2025, Sonder ranked 2,884th in the United States, with 1 in 39,723 newborns given the name. It first appeared in data in 2020 and has been rising steadily since then, reaching its peak popularity in 2025.
Is Sonder a boy name or a girl name?
Sonder is most commonly used for boys, though it is a modern invented name and could be used for any gender.