Baby Name Studio

Girl Name

Ileen

Rare · 5 letters

Ileen is a girl's name whose meaning is not firmly attested in the historical record. It is used as a girl's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.

Ileen — a girl name — is an uncommon, standout choice. If Ilene is on your shortlist, Ileen belongs in the same conversation.

Ileen meaning, origin, and usage

Meaning: Ileen has a distinctive sound and evolving modern usage.

Origin: Multiple naming traditions are associated with this name.

Pronunciation: Baby Name Studio pronounces Ileen as I·L·E·E·N, with 5 letters and a girl usage profile.

Popularity: According to Baby Name Studio's 2026 tracker, Ileen is an uncommon, standout choice in the Rare tier.

Ileen variants, nicknames, middle names, and sibling names

Frequently asked about Ileen

What does the name Ileen mean?

Ileen has no single meaning that is firmly attested in the historical record. It is used as a girl name in US birth records, and parents usually choose it for its sound rather than a documented meaning.

What is the origin of Ileen?

The exact origin of Ileen is debated, but it has been used across multiple naming traditions.

How do you pronounce Ileen?

Ileen has 5 letters and is most commonly stressed on the first syllable.

Is Ileen a boy's or girl's name?

Ileen is primarily used as a girl's name in US records.

How popular is Ileen in 2026?

In our 2026 popularity tracker, Ileen sits in the Rare tier — an uncommon, standout choice.

What names are similar to Ileen?

Names that share Ileen's sound and style include Ilene, Ilona, Ilana, Ilean, Iliana.

What middle names pair well with Ileen?

Good middle-name fits for Ileen pair an opposite syllable rhythm: if Ileen is short, lean longer (e.g. classical or three-syllable middles); if Ileen is longer, a one-syllable middle keeps the full name from feeling heavy.

What are good sibling names for Ileen?

Sibling names that pair naturally with Ileen share its rhythm without rhyming — Ilene, Ilona, Ilana all sit comfortably alongside it on a shortlist.