IPA Pronunciation

ˈraɪli

Say It Like

RYE-lee

Syllables

2

disyllabic

The name Reilly traces its roots to the Irish Gaelic Ó Raghailligh, which means 'descendant of Raghailleach.' While the precise meaning of the given name Raghailleach remains uncertain, the surname Reilly is deeply embedded in Irish heritage and has been Anglicized over centuries. It originally signified family lineage rather than a specific trait or characteristic, reflecting a proud clan-based identity.

Cultural Significance of Reilly

Reilly holds a significant place in Irish and English culture, originating from one of the prominent Irish clans, the O'Reillys, who were historically influential in County Cavan. The name carries a sense of heritage and pride, symbolizing familial bonds and Irish identity. Its adoption as a unisex given name today reflects evolving naming trends and cultural integration.

Reilly Name Popularity in 2025

Today, Reilly is embraced as a unisex given name in English-speaking countries, reflecting a trend toward gender-neutral names. It enjoys steady popularity due to its strong yet friendly sound and connection to Irish heritage. The name is often chosen by parents looking for a name that is traditional but modern and versatile, fitting a variety of personalities.

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Popular Nicknames5

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International Variations10

Similar Names You Might Love10

Name Energy & Essence

The name Reilly carries the essence of “From an Irish surname, originally derived from the Gaelic Ó Raghailligh, meaning descendant of Raghailleach (the exact meaning of Raghailleach is unknown).” from English (Anglicized from Irish Gaelic) tradition. Names beginning with "R" often embody qualities of resilience, romance, and resourcefulness.

Symbolism

Reilly symbolizes lineage, heritage, and resilience. It evokes a connection to Irish ancestry and clan loyalty, often associated with strength, honor, and a pioneering spirit.

Cultural Significance

Reilly holds a significant place in Irish and English culture, originating from one of the prominent Irish clans, the O'Reillys, who were historically influential in County Cavan. The name carries a sense of heritage and pride, symbolizing familial bonds and Irish identity. Its adoption as a unisex given name today reflects evolving naming trends and cultural integration.

John Reilly (politician)

Politics

An influential figure in American politics during his time, John Reilly contributed to legislative developments in Pennsylvania.

  • Served as a U.S. Representative from Pennsylvania
  • Active in 19th-century American politics

Timothy Reilly

Military

Recognized for valor and bravery during military service, representing the name in historical military honor.

  • Irish soldier in the British Army
  • Recipient of the Victoria Cross

The West Wing ()

Reilly

A minor character appearing in political dramas.

The Wire ()

Reilly

Supporting character involved in law enforcement storylines.

Law & Order: SVU ()

Detective Reilly

Recurring police detective with a sharp investigative mind.

Reilly

🇪🇸spanish

Reilly

🇫🇷french

Reilly

🇮🇹italian

Reilly

🇩🇪german

ライリー (Rairī)

🇯🇵japanese

赖利 (Lài lì)

🇨🇳chinese

رايلي

🇸🇦arabic

ריילי

🇮🇱hebrew

Fun Fact About Reilly

The O'Reilly clan, from which the name Reilly descends, was one of the most powerful Gaelic clans in Ireland, particularly noted for their leadership in the Kingdom of Breifne, a medieval Irish kingdom.

Personality Traits for Reilly

People named Reilly often exhibit a spirited and personable nature, combining a sense of adventure with a warm, approachable demeanor. Whether male or female, the name suggests someone who is adaptable, creative, and deeply connected to their roots, often radiating a blend of strength and friendliness.

What does the name Reilly mean?

Reilly is a English (Anglicized from Irish Gaelic) name meaning “From an Irish surname, originally derived from the Gaelic Ó Raghailligh, meaning descendant of Raghailleach (the exact meaning of Raghailleach is unknown).”. The name Reilly traces its roots to the Irish Gaelic Ó Raghailligh, which means 'descendant of Raghailleach.' While the precise meaning of the given name Raghailleach remains uncertain, the surname Reilly is deeply embedded in Irish heritage and has been Anglicized over centuries. It originally signified family lineage rather than a specific trait or characteristic, reflecting a proud clan-based identity.

How do you pronounce Reilly?

Reilly is pronounced RYE-lee (IPA: ˈraɪli). It has 2 syllables with the pattern disyllabic.

What are nicknames for Reilly?

Popular nicknames for Reilly include: Rey, Ry, Riles, Rye, Lee.

Who are famous people named Reilly?

Famous people named Reilly include: John Reilly (politician), Timothy Reilly, Reilly Smith, Reilly Johnson.

Hello dear readers! Today, I’m excited to share my affection for a name that has captured my interest for years—Reilly. Whether you’re expecting a little one or just a lover of names like me, there’s so much to uncover about this charming, versatile name. From its deep Irish roots to its modern-day usage as a unisex name, Reilly is rich in history, culture, and personality. So, pour yourself a cup of tea and settle in as we explore this name together.

What’s in a Name? The Meaning and Origins of Reilly

Reilly is a name that carries the weight of history and the warmth of family heritage. It originated as an Irish surname derived from the Gaelic Ó Raghailligh, meaning 'descendant of Raghailleach.' While the exact meaning of Raghailleach remains a bit of a mystery, the name has been passed down through generations, symbolizing lineage and clan pride. Its transition from surname to first name is a beautiful example of how names evolve and adapt over time.

The Irish Clan Behind the Name

The O'Reilly clan was one of the most powerful and influential families in medieval Ireland. They ruled much of County Cavan and were known for their leadership and resilience. Carrying the name Reilly connects one not only to a personal identity but also to a legacy of strength and community. I find it fascinating how a name can be a bridge to the past, a reminder of where we come from.

Nicknames and Variations: A Name That Adapts

One of the things I love about Reilly is how flexible it is. There are so many affectionate nicknames like Rey, Riles, or even Rye that add a personal touch. And if you’re considering spelling variations, options like Riley, Rylee, or Rilee make it easy to find a version that fits your style. This adaptability is part of what makes Reilly so appealing to modern parents.

Historical Figures Named Reilly: A Glimpse into the Past

I enjoy discovering historical figures who carried the name Reilly. For example, John Reilly was a notable 19th-century politician in Pennsylvania, contributing to American legislative history. Timothy Reilly, a recipient of the Victoria Cross, exemplifies bravery and service. And Alice Reilly’s contributions to Irish art remind us of the creative spirit tied to this name. These stories add layers of depth to the name’s legacy.

Reilly in Pop Culture: Characters That Bring the Name to Life

You might recognize the name Reilly from its appearances in television and film. Characters named Reilly appear in shows like "The West Wing," "The Wire," and "Law & Order: SVU," often portraying strong, intelligent personalities. These characters help keep the name contemporary and relatable, showing how it fits into a wide range of narratives and roles.

Famous Namesakes: From Arts to Athletics

The name Reilly crosses many fields, from the arts to sports. Reilly Smith, an actor known for his engaging performances, and Reilly Johnson, a talented musician, demonstrate the creative side of the name. On the athletic front, Reilly Opelka’s success in tennis showcases the name’s association with strength and determination. These individuals highlight the name’s versatility.

Modern Trends: Why Reilly Works Today

In recent years, Reilly has gained popularity as a unisex name, reflecting a broader trend toward gender-neutral naming. Its lyrical sound, combined with cultural heritage, makes it a favorite among parents seeking something both meaningful and modern. I often notice Reilly topping lists for baby names that are strong yet approachable.

Fun Facts and Trivia

Did you know that the O'Reilly clan was a major force in the medieval Kingdom of Breifne? And that the name Reilly, while Irish in origin, has been embraced worldwide, appearing in English, Spanish, and even Japanese contexts? These tidbits make the name not just a label but a story waiting to be told.

What I Love Most About Reilly

For me, Reilly is a perfect blend of history and individuality. It’s a name that honors roots without feeling old-fashioned. It’s versatile enough for any personality, age, or gender. And most importantly, it carries a sense of warmth and connection—qualities that any name should aspire to embody.

Final Thoughts

Choosing a name is one of the most personal decisions we make, and Reilly stands out as a choice rich in meaning and charm. Whether you’re naming a child, a character in your story, or simply exploring names for fun, I hope this deep dive into Reilly has inspired you. Remember, behind every name is a tapestry of stories, culture, and love. And Reilly, with its vibrant history and modern flair, is truly special.

Thanks for joining me on this journey! If you have a favorite nickname or story about the name Reilly, I’d love to hear it in the comments below.