Nameling

Dilys

Gender
Girl
Say it
DIL-is
Origin
Welsh
UK rank, 2025
#3,409 for girls

Dilys is a girls' name of Welsh origin, meaning “genuine; steadfast”. In 2025 it ranked 3,409th for girls in the UK (7 babies).

What does Dilys mean?

Welsh: Welsh word dilys

“genuine; steadfast”

Dilys Powell was the Sunday Times film critic for nearly four decades.

Is Dilys a girl's or a boy's name?

Dilys is a girls' name. In 2025, it was given to 7 girls in the UK. Too few boys were given it to be listed.

How popular is Dilys in the UK?

Rank in 2025
#3,409among girls
Babies in 2025
7about 1 in 40,000 girls
Five-year trend
Risingup 42% in five years
Same name in a class
under 1%chance among 15 girls

In 2025, 7 girls in the UK were named Dilys, making it the 3,409th most popular name for girls. Five years earlier, in 2020, it was 3,274th. Its busiest year was 2024, with 13 girls.

Half of all the girls named Dilys in the UK since 1996 were born between 2007 and 2020, the years shaded on the chart below.

Among girls in 2025, it was 3,332nd in England and Wales.

1998Busiest: 13 in 20242025
Dilys in the UK, year by year
YearGirlsRank
20257#3,409
202413#2,175
20237#3,388
20227#3,347
20213#5,824
20207#3,274
20197#3,340
20185#4,204
20177#3,395
20160–
201510#2,629
201410#2,618
20139#2,796
20129#2,887
20119#2,794
20108#2,992
20095#4,141
20088#2,895
20077#3,060
200611#2,119
20055#3,543
20044#3,916
20034#3,768
20024#3,556
20010–
20006#2,554
19990–
19983#4,026

Names like Dilys

Names given in the same years and the same naming tradition, with a similar sound.

More Welsh names

Every Welsh name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Dilys: name meaning, origin and popularity”, https://www.nameling.co.uk/names/dilys, updated 20 October 2026.