Neilly as a Baby Name. Meaning and Origin of Neilly

What is the meaning of the name Neilly ?

The baby name Neilly is a Male name , 2 syllables long and is pronounced /ˈniːli/ (NEE-lee).

Neilly is Irish, Scottish Gaelic in Origin.

Neilly is a Scots-Irish diminutive of Neil/Neal, ultimately from the Old Irish personal name Niall. The etymology of Niall is debated, but it is commonly interpreted as “champion” or “passionate, vehement.” The name was borne by the legendary High King Niall of the Nine Hostages and later leaders of the Uí Néill dynasty, which helped carry it across Ireland and into Scotland. In Scots, adding -y or -ie forms affectionate pet names, so Neilly arose as a familiar byname for men called Neil, especially in Scotland and Ulster.

As a given name, Neilly remains uncommon but feels approachable and modern, and it can read as unisex today. Related forms and variants include Neil, Neal, Neill, Niall (Irish/Scottish Gaelic), and the nickname spellings Neely and Neelie; surnames such as O’Neill and MacNeill share the same root. Pronunciation typically mirrors “NEE-lee.”

⚙ Neilly is an uncommon pick. Across 16 countries, we found 41 recorded uses of it.