Given name & surname

Rilla

“from the small brook”

Rilla is used as a given name and a surname. One German interpretation is “from the small brook.”

Meaning & origin

What it means

One German interpretation is “from the small brook.”

Where it comes from

An origin associated with this spelling is German.

How it developed

In English usage, Rilla is a diminutive of Marilla.

The story

Published U.S. birth records include this spelling as early as 1880. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Rilla through the years

Babies since 1880
2,659
0 boys · 2,659 girls
Most popular year
1914
56 babies
2025
7
#12,912 for girls
2021–25 vs 2016–20
+18%
Rising
010020030018801900192019401960198020002025Highest share 18814.4
Rilla in U.S. Social Security birth records, 1880–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 7 U.S. birth records for girls, ranking No. 12,912 among girls’ names. Average annual use for girls was 17.8% higher in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 56 in 1914. Published U.S. population figures for this spelling include 722 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.

Rilla’s family of names

In English usage, Rilla is a diminutive of Marilla. Rilla has a related form in Rillah. Rilla has a related form in Rille.

Walk Rilla’s family in the name graph

RillaRyllaMarillaRilleyRillieRilliaRillyRilleaRilleRilletteRillettaRillah

Inner ring: spellings · outer: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 10

Diminutives, pet forms, short forms and variants used alongside the name.

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Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Similar names

If you love Rilla, these share its style, era, origin or sound, from outside its own family.

German · Old-fashioned

Rosamond

“protector of horses; the rose of the world”

11Very rare

>99% girls

German · Old-fashioned

Hilma

“one who is protected”

0Not recently recorded

>99% girls

German · Old-fashioned

Minna

“determined protector” · “one who is resolute; having great strength”

26RareEasing

>99% girls

German · Old-fashioned

Zella

“one who resists”

41UncommonSteady

>99% girls

Germanic languages · Old-fashioned

Frieda

“a peaceful ruler”

28RareSteady

>99% girls

Germanic languages · Old-fashioned

Harriette

“ruler of the house”

17Very rareRising

>99% girls

German · Old-fashioned

Bertha

“one who is famously bright and beautiful”

26RareSteady

>99% girls

German · Old-fashioned

Irma

“a universal woman”

32RareSteady

>99% girls

Sibling ideas

Names that share Rilla’s feel without repeating its first letter or rhyming with it.

A brother for Rilla

A sister for Rilla