Boy’s name · English

Sir

How to say it: SUR · /ˈsɜr/

From English honorific 'sir' meaning knight - modern word-name used as a bold given name.

Sir was the 1,738th most popular boys’ name in the United States in 2025, given to 66 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up about 18% in ten years, and it is projected to slip to #2,175 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#1,738for boys in 2025
1 in 50,232US babies
66born in 2025
#2,175projected for 2030
2020sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Sir
Rank among boys’ names, 2025#1,738
Babies born in 202566
Share of births1 in 50,232
Peak decade2020s
Change over 10 years+18%
Projected rank for 2030 (estimate)#2,175

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Sir is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 54 per million births, 2020s.

What goes with it

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Sir is about under 1 in 200.

Around the world

This spelling is used in English.

Good to know

  • Identical to the everyday honorific 'sir'; constant 'Yes, Sir' jokes likely

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