Given name
Sundai
“born on a Sunday”
Sundai is a variant of Sunday. One American interpretation is “born on a Sunday.”
Meaning & origin
What it means
Sundai is a variant of Sunday. One American interpretation is “born on a Sunday.”
Explained through its name family
Where it comes from
Sundai is a variant of Sunday. An origin associated with Sunday is American.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1966. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Sundai through the years
- Babies since 1880
- 121
- 0 boys · 121 girls
- Most popular year
- 2023
- 13 babies
- 2025
- 7
- #13,038 for girls
- 2021–25 vs 2016–20
- +100%
- Rising fast
By the numbers
In 2025, this name appeared in 7 U.S. birth records for girls, ranking No. 13,038 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 126 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.
The ring: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Similar names
If you love Sundai, these share its style, era, origin or sound, from outside its own family.