Similar & Sister Names
Names Like Gwilym
24 similar names matched by popularity and Welsh origin — The name 'Gwilym' is a Welsh form of 'William', meaning "resolute protector" or "helmet of will," derived from….
How we find these: names ranked close to Gwilym in real popularity data, prioritizing names that share its cultural origin, with phonetic near-duplicates removed so the list stays genuinely varied.
Names similar to Gwilym
Rank #1,595
Mabon “Mabon derives from Welsh and means "son" (from the Welsh word "map" or "mab"), often used…”
Rank #1,595
Elwyn “The given name 'Elwyn' means "noble friend" or "elf friend," derived from the Old English…”
Rank #1,517
Llewelyn “Llewelyn derives from Welsh *Llywelyn*, likely composed of *llyw* (leader/ruler) and *-el…”
Rank #1,675
Wyn “The given name 'Wyn' is derived from the Old English word 'win', meaning 'friend' or 'bel…”
Rank #1,697
Gwladys “The name Gwladys means "princess" or "sovereign" and derives from the Old Welsh or Brytho…”
Rank #1,730
Iwen “Iwen is a Welsh given name derived from the Welsh word "iw" (yew tree) or related to the …”
Rank #1,743
Gwenllian “Gwenllian derives from Welsh elements: "gwen" meaning "white" or "blessed" and "llian" (r…”
Rank #1,444
Maellys “Maellys is a Welsh feminine given name derived from the element "mael" (prince or chief) …”
Rank #1,758
Guto “Guto is a Welsh diminutive form of Gutyn, which derives from the name Gruffudd (also spel…”
Rank #1,765
Awena “Awena is a Welsh name derived from the Celtic word "awen," meaning "muse," "poetic inspir…”
Rank #1,783
Padrig “Padrig means "noble" or "of noble birth" and derives from the Latin name Patricius, which…”
Rank #1,406
Betsi “Betsi is a diminutive of Elizabeth, meaning "God is my oath" from the Hebrew name Elishev…”
Rank #1,357
Gwendolyne “The name 'Gwendolyne' means "white ring" or "blessed ring," derived from the Welsh elemen…”
Rank #1,859
Iestyn “The name Iestyn means "just" or "righteous," derived from the Latin name *Iustinus* (via …”
Rank #1,859
Iolo “Iolo is a Welsh name derived from the element "io" (lord) combined with a diminutive suff…”
Rank #1,322
Rhydian “Rhydian is a Welsh given name derived from the element "rhy" (meaning "ardent" or "impetu…”
Rank #1,895
Alaw “# Alaw
Alaw is a Welsh name meaning "offspring" or "progeny," derived from the Welsh ele…”
Rank #1,895
Cariad “Cariad means "love" or "beloved" and derives from Welsh, where it is rooted in the Celtic…”
Rank #1,287
Conway “The given name 'Conway' means "hound of the plain" or "wolf of the plain," derived from t…”
Rank #1,919
Mederick “Mederick is a variant of Meredith, derived from the Welsh name Maredudd, meaning "great r…”
Rank #1,929
Morgann “Morgann is a variant spelling of Morgan, derived from the Welsh name Morganwg or the Old …”
Rank #1,250
Myrddin “Myrddin means "sea fort" or "sea hill," derived from the Welsh elements "myr" (sea) and "…”
Rank #1,243
Loyd “Loyd is a variant spelling of Lloyd, derived from the Welsh name Llywelyn or the Welsh wo…”
Rank #1,218
Gwenn “The name 'Gwenn' is a variant of the Welsh name 'Gwen,' meaning "white," "fair," or "bles…”
Sister names for Gwilym
Same cultural background as Gwilym, opposite gender — matched for sibling-set naming.
Rank #44
Eira “Eira means "snow" and derives from Old Norse "eirr," reflecting its linguistic roots in S…”
Rank #60
Elen “Elen means "bright" or "shining" and derives from the Greek name Helene (Ἑλένη), which li…”
Rank #69
Dewi “Dewi is a Welsh name derived from the Latin name Decius or potentially from the Welsh wor…”
Rank #96
Megan “Megan is a diminutive form of Margaret, derived from the Greek name Margareta, which come…”
Rank #100
Gwen “Gwen is a Welsh name derived from the element "gwen" meaning "fair" or "white," with root…”
Rank #192
Reese “Reese is derived from the Welsh name Rhys, which means "ardent" or "passionate" and comes…”
Rank #255
Morgan “Morgan derives from the Welsh name Morgân, composed of "mor" (sea) and "gân" (bright or b…”
Rank #260
Seren “Seren means "star" and derives from Welsh, where it has been used as a given name in Wels…”
Frequently Asked Questions
How are "names like Gwilym" chosen?
We match by real popularity data (global ranking) and, where known, shared cultural origin — then remove phonetic near-duplicates (like Gitanjali/Geetanjali) so every suggestion is genuinely distinct. Top matches for Gwilym include Mabon, Elwyn, Llewelyn.
What is the origin of the name Gwilym?
Gwilym is a Welsh name. The name 'Gwilym' is a Welsh form of 'William', meaning "resolute protector" or "helmet of will," derived from the Old Germanic elements *wil* (will, desire) and *helm* (helmet, protection).
What are good sister names for Gwilym?
If Gwilym is used for one child, Eira is a well-matched Sister name from the same cultural background — see the full list below.