Boy’s name · French, Italian, Greek

Alessyo

How to say it: a-lay-SYO · /aleˈsjo/

Modern French respelling of Italian Alessio from Greek 'defender' - recent invention.

Alessyo was the 801st most popular boys’ name in the United States in 2025, given to 0 babies (Social Security Administration). Its busiest decade was the 1870s, its births are up 5.1-fold in ten years, and it is projected to rise to #515 by 2030.

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

#801for boys in 2025
1 in 12,012US babies
0born in 2025
#515projected for 2030
1870sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Alessyo
Rank among boys’ names, 2025#801
Babies born in 20250
Share of births1 in 12,012
Peak decade1870s
Change over 10 years×5.1
Projected rank for 2030 (estimate)#515
In France, 2025#66 among boys’ names, 60 births

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

Its life, decade by decade

Alessyo peaked in the 1870s and is less common today.

1900195020002020–25
Peak: 1 per million births, 1870s.

What goes with it

Nicknames

  • Aless
  • Syo
  • Alex

Honouring a Alessyo in the family

In the classroom

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

Around the world

This spelling is used in French, Greek, Italian.

In France: #66 for boys in 2025.

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