Given name & surname

Fennessey

“descendant of Fionnghus”

Fennessey is a surname from Irish.

Meaning & origin

What it means

Fennessey is a form of Fennessy. Fennessy goes back to Irish Ó Fionnghusa, meaning “descendant of Fionnghus.”

Adapted from Wiktionary (CC BY-SA 4.0)

Where it comes from

Fennessey is a form of Fennessy. Fennessy comes from Irish.

Adapted from Wiktionary (CC BY-SA 4.0)

Fennessey’s family of names

In English usage, Fennessey as a surname has a related form in FENNESSY.

Walk Fennessey’s family in the name graph

FennesseyFennessy

The ring: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Similar names

If you love Fennessey, these share its style, era, origin or sound, from outside its own family.

Irish

Feeney

“descendant of Fiannaidhe”

No U.S. birth series

—

Irish

Feeley

Feeley is a surname from Irish.

No U.S. birth series

—

Irish

Devenney

“descendant of Duibheannach”

No U.S. birth series

25% boys · 75% girls

Irish

Nunnelley

Nunnelley is a surname from Irish.

No U.S. birth series

—

Irish

Fedlimid

Fedlimid is a masculine given name from Irish.

No U.S. birth series

>99% boys

Irish

Kneafsey

“son of Cnáimhseach”

No U.S. birth series

—

Irish

Mcenaney

“son of the deacon”

No U.S. birth series

—

Irish

Finnerty

“descendant of Fionnachta”

No U.S. birth series

—

Sibling ideas

Names that share Fennessey’s feel without repeating its first letter or rhyming with it.

A brother for Fennessey

A sister for Fennessey