Mj was the #5,608 boys' name in the US in 2025 (16 babies).
Mj as a boy’s name
US
England & Wales
Ireland
Babies per 1,000 of the same sex in each published list.Official rank; #1 at the top. Breaks in a line are years with too few babies to be published.Show the numbers
Year
US
England & Wales
Ireland
2025
#5,608 (16)
—
#829 (3)
2024
#8,312 (9)
—
#655 (4)
2023
#7,289 (11)
—
#343 (11)
2022
#5,874 (15)
#4,790 (3)
#779 (3)
2021
#8,825 (8)
—
#755 (3)
2020
#8,739 (8)
—
—
2019
#7,643 (10)
—
#506 (6)
2018
#5,320 (17)
#4,749 (3)
—
2017
#8,140 (9)
—
—
2015
#8,040 (9)
—
#699 (3)
2014
#7,048 (11)
#3,895 (4)
—
2013
#9,655 (7)
—
—
2012
#7,559 (10)
—
—
2011
#10,808 (6)
—
—
2010
#12,231 (5)
#4,678 (3)
—
Mj as a girl’s name
US
Babies per 1,000 of the same sex in each published list.Official rank; #1 at the top. Breaks in a line are years with too few babies to be published.Show the numbers
Year
US
2024
#13,477 (6)
2023
#15,194 (5)
2022
#9,056 (11)
2021
#10,292 (9)
2020
#13,453 (6)
2018
#15,682 (5)
The tide so far
Peaked in the US in 2018 at #5,320.
Rising over the last five years.
First recorded in the US in 2005.
In 2024, 40% of US babies named Mj were girls.
How common is it?
about 1 in 110,000 baby boys in the published US list for 2025.
In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.
How common, country by country
Where
Sex
Latest year
Share
Verdict
US
Boys
2025
about 1 in 110,000
rare
Ireland
Boys
2025
about 1 in 7,900
uncommon
Next year
On its recent trend, Mj is likely to keep falling in the US in 2026: about 1 in 130,000 baby boys. Likely range 1 in 67,000 to 1 in 240,000.