Given name
Seidy
“princess; lady”
Seidy is a variant of Sadie. In English use, Sadie carries the interpretation “princess; lady.”
Meaning & origin
What it means
Seidy is a variant of Sadie. In English use, Sadie carries the interpretation “princess; lady.”
Explained through its name family
Where it comes from
Seidy connects to the Sarah name family through Sadie. Sarah comes from Hebrew biblical tradition and is the name given to Abraham’s wife in Genesis.
Explained through its name family
How it developed
Seidy connects to the Sarah name family through Sadie. The shared background comes through Sarah: In the biblical account, Sarai is renamed Sarah as part of a blessing. Later Irish and Scottish uses sometimes adopted Sarah in place of local Gaelic names, a separate practice from its Hebrew origin.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1992. This is the earliest published observation available here, rather than a date for the name’s origin. Seidy connects to the Sarah name family through Sadie. The history of Sarah gives this family its wider story. Sarah is remembered in Genesis as Abraham’s wife and Isaac’s mother. Sarah’s later local adaptations included use for Sorcha in Ireland and Mor in Scotland, showing how an established biblical name could serve different naming traditions.
Combines direct and name-family evidence
Seidy through the years
- Babies since 1880
- 344
- 0 boys · 344 girls
- Most popular year
- 2013
- 19 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- +45%
- Rising
By the numbers
The most recent published U.S. birth count for girls is 12 in 2024. Later missing counts do not mean the name went unused. Its largest published annual count for girls was 19 in 2013. Published U.S. population figures for this spelling include 572 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 4
The same name written differently, including transliterations into other scripts.
Similar names
If you love Seidy, these share its style, era, origin or sound, from outside its own family.
Yaleena
“the shining light”
>99% girls
Kinzie
“the king's victory” · “the victorious prince”
>99% girls
Zilah
“the shadowed one”
>99% girls
Princessa
“a highborn daughter; born to royalty”
>99% girls
Elise
“my God is bountiful” · “God is my oath”
>99% girls
Siba
>99% girls
Kinnidy
>99% girls
Selah
“to hang”
1% boys · 99% girls