Given name
Eilis
“God is my oath”·“My God is bountiful”
Eilis is a variant of Elizabeth. “God is my oath” is the etymological interpretation given for Elisabeth, the same name in a different spelling. “My God is bountiful” is another recorded interpretation, but the two should be kept distinct rather than blended into one literal translation.
Meaning & origin
What it means
Eilis is a variant of Elizabeth. “God is my oath” is the etymological interpretation given for Elisabeth, the same name in a different spelling. “My God is bountiful” is another recorded interpretation, but the two should be kept distinct rather than blended into one literal translation.
Explained through its name family
Where it comes from
Eilis is a variant of Elizabeth. Elizabeth is the usual English spelling of Elisabeth. The related biblical forms connect it with the Hebrew name Elisheba, borne by Aaron’s wife.
Explained through its name family
How it developed
Eilis is a variant of Elizabeth. The shared background comes through Elizabeth: English generally uses Elizabeth with a z, where many European languages retain Elisabeth with an s. Elisabeth is connected with Elisheba; its final element may have been reshaped through association with Hebrew shabbath, “sabbath.”
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1990. This is the earliest published observation available here, rather than a date for the name’s origin. Eilis is a variant of Elizabeth. The history of Elizabeth gives this family its wider story. The New Testament Elisabeth is the mother of John the Baptist. English royal associations include Elizabeth I and, in the twentieth century, Elizabeth Bowes-Lyon and her daughter Elizabeth II. Elizabeth’s familiar forms developed along several paths, including Eliza, Beth, Bess, Betty, Libby and Lizzie.
Combines direct and name-family evidence
Eilis through the years
- Babies since 1880
- 260
- 0 boys · 260 girls
- Most popular year
- 2018
- 20 babies
- 2025
- 6
- #13,668 for girls
- 2021–25 vs 2016–20
- −65%
- Cooling
By the numbers
In 2025, this name appeared in 6 U.S. birth records for girls, ranking No. 13,668 among girls’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Its largest published annual count for girls was 20 in 2018. Published U.S. population figures for this spelling include 303 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 1
The same name written differently, including transliterations into other scripts.
Similar names
If you love Eilis, these share its style, era, origin or sound, from outside its own family.
Yaleena
“the shining light”
>99% girls
Zilah
“the shadowed one”
>99% girls
Kinzie
“the king's victory” · “the victorious prince”
>99% girls
Genesis
“of the beginning; the first book of the Bible” · “of the beginning”
5% boys · 95% girls
Elise
“my God is bountiful” · “God is my oath”
>99% girls
Ellie
“from a foreign land” · “God is my oath”
>99% girls
Eimie
>99% girls
Selah
“to hang”
1% boys · 99% girls