Given name · also Irish
Sinead
“God is gracious”
Sinead is a variant of Sine. In Scottish use, Sine carries the interpretation “God is gracious.”
Original IrishSinéad
Meaning & origin
What it means
Sinead is a variant of Sine. In Scottish use, Sine carries the interpretation “God is gracious.”
Explained through its name family
Where it comes from
Sinead comes from Irish, and ultimately from Hebrew.
Adapted from Wiktionary (CC BY-SA 4.0)
How it developed
In English usage, Sinead developed from IOANNA. In English usage, Sinead developed from JEHANNE.
The story
Published U.S. birth records include this spelling as early as 1975. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Sinead through the years
- Babies since 1880
- 1,340
- 0 boys · 1,340 girls
- Most popular year
- 1990
- 160 babies
- 2025
- 11
- #9,378 for girls
- 2021–25 vs 2016–20
- +8%
- Steady
By the numbers
In 2025, this name appeared in 11 U.S. birth records for girls, ranking No. 9,378 among girls’ names. Average annual use for girls was 8.2% higher in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 160 in 1990. Published U.S. population figures for this spelling include 1,512 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.
Sinead’s family of names
In English usage, Sinead shares an earlier linguistic root with Janet. In English usage, Sinead has a related form in IOANNA. In English usage, Sinead shares an earlier linguistic root with Jenna.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Sinead has relatives in 4 languages. Lines run from its Hebrew roots to each of them.
25 related names in 4 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 5
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 21
Equivalents and cognates in other languages, plus older forms it grew from.
- Jessiedoublet · English
- Jennadoublet · English
- Janelledoublet · English
- Jennydoublet · English
- Ivankadoublet · English
- Jeanettedoublet · English
- Joaniedoublet · English
- Juanitadoublet · English
Show 13 moreShow fewer
People named Sinead
- Sinead KerrScottish-British ice dancerborn 1978
- Sinead JackTrinidadian volleyball playerborn 1993
- Sinéad Keenanactress from Dublin, Irelandborn 1977
- Sinead MatthewsBritish actressborn 1980
- Sinead DiverAustralian long-distance runnerborn 1977
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Sinead, these share its style, era, origin or sound, from outside its own family.
Sigal
“an aromatic plant not definitively identified”
>99% girls
Cierra
“a clear-eyed woman”
>99% girls
Sagal
Sagal is a surname from Hebrew.
>99% girls
Kaila
“crowned with laurel” · “a stylish man”
>99% girls
Moriah
“God is my teacher; of the hill country”
1% boys · 99% girls
Ioana
Ioana is a feminine given name from Hebrew. It is used in Romanian.
>99% girls
Ysabelle
“my God is bountiful”
>99% girls
Breanna
“from the high hill; one who ascends”
>99% girls