The first name Rilla
A girl’s name.
2 syllables Female
Meaning and origin
A diminutive of the female given name Marilla.
Rilla is a short form of
- Marilla
From Wiktionary (CC BY-SA 4.0).
Popularity in the United States
Babies named Rilla at birth, 1880–2025
In 2025, 7 girls born in the United States were named Rilla, the 12,912th most popular girls’ name that year. It was used most in 1914, when 56 were.
2,659
babies named Rilla since 1880
#12,912
rank in 2025
1914
peak year
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Questions
- Is Rilla a boy's or a girl's name?
- Mostly a girl's name: 100% of the 2,659 US babies named Rilla since 1880 were girls.
- When was Rilla most popular?
- 1914 in the United States, when 56 babies were named Rilla, its highest rank at 776th.