Girl Names That End in O

Ranked in the United States in 2025, with birth trends and peak years.

O is the 13th most common last letter for baby girls' names in the United States, with no names ending in O in the top 300 for 2025. Margo (#559) is the highest-ranked.

Margo

#559 girls

Peaked 1954 Rising Classic

Cleo

#577 girls

Peaked 1920 Rising Trending - Revived

Halo

#612 girls#929 boys

Peaked 2024 Rising Trending

Cielo

#795 girls

Peaked 2024 Rising Contemporary

Indigo

#853 girls

Peaked 2025 Rising Contemporary

Juno

#1250 girls

Peaked 2025 Rising Rare

Lucero

#1512 girls

Peaked 1994 Steady Contemporary

Marlo

#1833 girls

Peaked 1970 Rising Retro - 70s

Rio

#1872 girls#532 boys

Peaked 2024 Rising Contemporary

Rosario

#2099 girls

Peaked 1993 Steady Classic

Coco

#2326 girls

Peaked 2020 Steady Rare

Echo

#2326 girls

Peaked 2021 Rising Contemporary

Aiko

#2719 girls

Peaked 2023 Rising Rare

Emiko

#2822 girls

Peaked 2022 Rising Rare

Calypso

#2859 girls

Peaked 2025 Steady Rare

Kleo

#2859 girls

Peaked 2025 Rising Rare

Lilo

#3211 girls

Peaked 2025 Rising Rare

Rocio

#3342 girls

Peaked 1991 Steady Retro - 90s

Harlo

#3517 girls

Peaked 2023 Rising Rare

Milagro

#3517 girls

Peaked 2024 Rising Rare

Namiko

#3903 girls

Peaked 2024 Rising Rare

#3975 girls

Peaked 1954 Steady Retro - 50s

Shilo

#4546 girls

Peaked 2025 Rising

Clio

#5099 girls

Peaked 2015 Steady Rare

Yumiko

#5238 girls

Peaked 2025 Steady Rare

Miko

#5410 girls

Peaked 2023 Rising Rare

Haylo

#5722 girls

Peaked 2022 Rising Rare

Munachimso

#5722 girls

Peaked 2025 Steady Rare

Miyoko

#6116 girls

Peaked 1924 Steady Rare

Morayo

#6325 girls

Peaked 2025 Steady Rare

Keiko

#6546 girls

Peaked 1995 Steady Rare

Nezuko

#6546 girls

Peaked 2023 Rising Rare

Kimiko

#6838 girls

Peaked 1981 Steady Rare

Mio

#7133 girls

Peaked 2020 Steady Rare

Shylo

#7885 girls

Peaked 2025 Rising Rare

Monaco

#7885 girls

Peaked 2024 Rising Rare

Consuelo

#7885 girls

Peaked 1928 Steady Vintage

Hailo

#7885 girls

Peaked 2023 Steady Rare

Chicago

#8362 girls

Peaked 2024 Rising Rare

Kiko

#8362 girls

Peaked 2021 Rising Rare

Akiko

#8362 girls

Peaked 1927 Steady Rare

Kalypso

#8362 girls

Peaked 2023 Steady Rare

Asmo

#8860 girls

Peaked 2025 Rising Rare

Laineyjo

#8860 girls

Peaked 2025 Rising Rare

Ekko

#9457 girls

Peaked 2025 Steady Rare

Hanako

#9457 girls

Peaked 1924 Steady Rare

Kamiko

#9457 girls

Peaked 2023 Steady Rare

Kleio

#9457 girls

Peaked 2025 Steady Rare

Mariko

#9457 girls

Peaked 1984 Steady Rare

Maryjo

#9457 girls

Peaked 1961 Steady Retro - 60s

Osiyo

#9457 girls

Peaked 2025 Steady Rare

Socorro

#10107 girls

Peaked 1929 Steady Vintage

Willo

#10107 girls

Peaked 1932 Steady Rare

Zahro

#10107 girls

Peaked 2025 Rising Rare

Amiko

#10917 girls

Peaked 2022 Steady Rare

Amparo

#10917 girls

Peaked 1928 Steady Vintage

Domino

#10917 girls

Peaked 2021 Steady Rare

Elliejo

#10917 girls

Peaked 2022 Steady Rare

Jojo

#10917 girls

Peaked 2016 Steady Rare

Koko

#10917 girls

Peaked 2023 Steady Rare

Michiko

#10917 girls

Peaked 1924 Steady Rare

Milliejo

#10917 girls

Peaked 2025 Rising Rare

Adaugo

#11932 girls

Peaked 2019 Steady Rare

Jiwoo

#11932 girls

Peaked 2014 Steady Rare

Kiyoko

#11932 girls

Peaked 1921 Steady Rare

Olaedo

#11932 girls

Peaked 2025 Rising Rare

Tokyo

#11932 girls

Peaked 2022 Rising Rare

#13208 girls

Peaked 2017 Falling Rare

Eko

#13208 girls

Peaked 2021 Rising Rare

Khleo

#13208 girls

Peaked 2020 Steady Rare

Mieko

#13208 girls

Peaked 1924 Steady Rare

#14942 girls

Peaked 2022 Steady Rare

Chinelo

#14942 girls

Peaked 1993 Rising Rare

Chleo

#14942 girls

Peaked 2021 Steady Rare

Haelo

#14942 girls

Peaked 2021 Rising Rare

Jiyoo

#14942 girls

Peaked 2025 Rising Rare

Leeloo

#14942 girls

Peaked 2021 Steady Rare

Lilajo

#14942 girls

Peaked 2025 Rising Rare

Muyao

#14942 girls

Peaked 2025 Rising Rare