Lonnie
Lonnie was the 1843rd most popular name for boys in 2025, given to 86 babies. Its best year was 1896, when it ranked 114th; the most babies were born in 1947 (2,086). Over the last ten years it has moved down 432 places. More babies were named Lonnie in the 1950s than in any other decade.
Meaning pet form of Alonzo or Lon · English, Spanish, Germanic
Say it LAH-nee /ˈlɑni/
- Rank in 2025
- #1,843 boys, down 201 places since 2020
- Babies in 2025
- 86boys
- Girls and boys
- 18% girls, 82% boys2021–2025
- Peak year
- 19472,086 babies
- Total since 1880
- 101,481babies recorded
What does the name Lonnie mean?
Lonnie is a pet form of Alonzo and of Lon (which can itself come from Alonzo or Leonard), with the -ie ending, as Wiktionary notes. Alonzo is a form of Alfonso, a Germanic name that DMNES analyzes as Gothic 'noble' + 'ready'. Lonnie was used for both boys and girls in the US, especially in the South, in the early to mid-20th century.
Alonzo (Spanish / English, “form of Alfonso”)
How sure is this? Well established.
Related names: Alonzo, Lon, Lonny, Alfonso.
See also: English names.
Sources for this meaning
- Wiktionary, entry 'Lonnie', Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- Dictionary of Medieval Names from European Sources, ed. S. L. Uckelman, Edition 2023 no. 1, s.v. 'Alphonse', DMNES (Durham University)
Lonnie popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #5,494 | #1,843 | 23 | 86 |
| 2020 | #9,987 | #1,642 | 10 | 98 |
| 2010 | #16,160 | #1,365 | 6 | 125 |
| 2000 | #8,925 | #826 | 11 | 194 |
| 1990 | #4,976 | #509 | 19 | 377 |
| 1980 | #2,266 | #295 | 44 | 694 |
| 1970 | #1,398 | #194 | 75 | 1,382 |
| 1960 | #1,122 | #183 | 94 | 1,704 |
| 1950 | #752 | #135 | 132 | 1,999 |
| 1940 | #684 | #153 | 103 | 1,103 |
| 1930 | #875 | #193 | 68 | 715 |
| 1920 | #760 | #186 | 92 | 740 |
| 1910 | #643 | #148 | 44 | 217 |
| 1900 | #619 | #125 | 33 | 186 |
| 1890 | #681 | #135 | 16 | 107 |
| 1880 | #482 | #223 | 13 | 53 |
How popular is Lonnie, counting every spelling?
Lonnie is the most common spelling of a name family that had 91 boys in 2025 across its spellings. Together these spellings went to 91 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Lonnie | 86 | #1,843 | 456 |
| Lonny | 5 | #13,153 | 28 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Lonnie?
86 of the 3,606,400 babies born in the US in 2025 were named Lonnie (0.02 per 1,000 births). For a boy named Lonnie born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 98 (of 430 pupils) would have a child named Lonnie.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Lonnie?
About 52,400 people born in the US named Lonnie are alive today, with a median age of 62; half are between 50 and 72. That makes Lonnie a name most people associate with older generations.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Lonnie by state
How common Lonnie was among boys born in each state in 2021–2025. It is notably more common than nationally in Ohio (3.6×). In 42 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Lonnie: their share of US boys followed the most similar curve since 1880. If you like Lonnie, they share its era and feel.
Middle names for Lonnie · Sibling names for Lonnie
Lonnie is also a nickname for Alonzo.
Questions about the name Lonnie
What does Lonnie mean?
Lonnie means “pet form of Alonzo or Lon” (English, Spanish, Germanic origin). Certainty: well established.
How popular is the name Lonnie?
Lonnie was the 1843rd most popular name for boys in 2025, given to 86 babies. Its best year was 1896, when it ranked 114th; the most babies were born in 1947 (2,086). Over the last ten years it has moved down 432 places. More babies were named Lonnie in the 1950s than in any other decade.
Is Lonnie a boy or girl name?
In 2021–2025, 18% girls, 82% boys given the name Lonnie in the US.
Where is Lonnie most popular?
In 2021–2025, Lonnie was most common in Ohio (0.19 per 1,000 boys), followed by Arkansas and Wisconsin.