Lonnie

A pet form of Alonzo and Alphonso, the Spanish forms of a Visigothic name built from Germanic elements meaning noble and ready.

Lonnie in 2025

Lonnie was given to 109 babies in the United States in 2025 — 86 boys and 23 girls, making it the 3,347th most popular name of the year. That is roughly one in every 30,416 babies born.

The history of Lonnie

Lonnie reached its highest point in 1947, when 2,237 babies were given the name, ranking 266th that year.

Across the 146 years of records since 1880, 101,481 babies have been named Lonnie. Half of them were born before 1953, which places the name's centre of gravity with the Baby Boomers.

Lonnie by decade

DecadeBabies named LonnieBest rank
1880s957289
1890s1,442311
1900s1,938314
1910s5,095364
1920s7,799393
1930s8,868314
1940s17,099266
1950s20,347276
1960s15,887370
1970s10,078402
1980s5,430616
1990s3,0311,054
2000s1,6471,798
2010s1,2002,902
2020s6633,167

Where Lonnie is heading

Lonnie has fallen 19% over the past decade, from 134 babies in 2015 to 109 in 2025.

That is less than 5% of its 1947 peak — Lonnie is now a rare name in the United States.

Names like Lonnie

Names that rose and fell at the same time as Lonnie.

Browse the most popular baby names