MallowbyNames

Saydi

SAY-dee · Of uncertain origin; possibly a modern spelling variant of Sadie, itself a diminutive of Sarah, meaning 'princess' in Hebrew, or an invented name combining the sound of 'say' with the -ee suffix.

2025 rank (girls)
#14,942
Babies named in 2025
5
Peak popularity
2013
2025 frequency
1 in 321,453 girls
Usually for
Girls
Trend
Declining since 2013

Declining since 2013, #14,942 for girls today.

Popularity of Saydi since 1991

Babies named Saydi per year in U.S. Social Security records. Raw births topped out in 2007, but relative to how few babies were recorded back then, Saydi's real moment was 2013.

91726200020102020Most births 2007Girls
Data table (by decade)
DecadeGirls
1990s77
2000s173
2010s176
2020s42

Meaning & origin

Saydi entered the U.S. naming landscape relatively recently, first recorded in 1991. It achieved its peak popularity in 2013, but has since been falling in use. By 2025, it ranked 14,942 with a frequency of about 1 in every 321,453 newborn girls, reflecting its status as a niche, modern choice. The name is almost entirely given to girls. As a respelling of Sadie, it belongs to a broader trend of altering traditional names with creative spellings, particularly using 'y' in place of 'ie'. Saydi has not charted in any top state rankings, indicating its usage is scattered rather than concentrated regionally. Its trajectory suggests that while it enjoyed a modest spike in the early 2010s, it has not maintained widespread appeal, making it a distinctive and relatively rare option for parents seeking an uncommon name with familiar sounds.

Saydi is a modern respelling of Sadie, which is traditionally a diminutive of Sarah, a Hebrew name meaning 'princess' and borne by the matriarch Sarah in the Bible. The spelling with 'y' emerged in the late 20th century alongside other creative -ie/-y name variants. It has been used in the United States since 1991, with a peak in 2013.

Nicknames & variants

Nicknames: Say, Say-Say

Variants: Sadie, Saydie, Saidi, Saidy

Sibling names for Saydi

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

Sisters: Ava, Piper, Quinn, Ellie, Maya

Brothers: Dylan, Liam, Noah, Owen, Finn

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

S is for Saydi, our favorite little girl.

S is for Saydi…”

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

Make Saydi's book

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

Questions parents ask

What does the name Saydi mean?
Saydi likely derives from Sadie, itself a diminutive of Sarah, meaning 'princess' in Hebrew. However, as a modern spelling variant, its precise origin is uncertain.
How popular is Saydi?
In 2025, Saydi ranked 14,942 in the United States, with about 1 in every 321,453 newborn girls given that name. Its peak popularity was in 2013.
Is Saydi a boy or girl name?
Saydi is almost exclusively used as a girl's name, a pattern consistent with its likely derivation from Sadie.