Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
formerly known as
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "formerly known as" is correct and usable in written English.
It is commonly used when introducing someone's previous name or identity, such as when a celebrity has changed their legal name, or a company has recently rebranded. For example: "Rihanna, formerly known as Robyn Fenty, is a singer and music producer."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
previously known as
originally known as
used to be called
once called
by its former name
at one time known as
previously identified as
later Ma He
earlier known as
as he was so
formerly widely known as
at that stage
historically known as
beforehand known as
formally known as
as he was there
as he was subsequently
formerly referred to as
presently named
subsequently named
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Who: Prince (the artist formerly known as the Artist Formerly Known as Prince).
News & Media
The territory was formerly known as Ubangi-Shari.
News & Media
(It was formerly known as Hangzhou Academy).
News & Media
B) "The nation formerly known as rogue".
News & Media
Ittoqqortoormiit (formerly known as Scoresbysund) is remote.
News & Media
"Our son is Abdul Rahman, formerly known as Peter".
News & Media
KBW was formerly known as Keefe Bruyette & Woods.
News & Media
Gleevec, formerly known as STI-571, is made by Novartis.
News & Media
FKA in her stage name stands for "formerly known as".
News & Media
Establish a wireless connection formerly known as the hug.
News & Media
Take the latter, formerly known as immigration policy.
News & Media
Expert writing Tips
Best practice
Use "formerly known as" when you want to clearly indicate a previous name or identity, especially when the current name is the primary focus.
Common error
Avoid using "formerly known as" when referring to a current alias or nickname. The phrase implies a legal or official name change.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "formerly known as" functions as a descriptive modifier. Ludwig and Ludwig AI's analysis suggests it is utilized to provide additional information about a subject by indicating its previous designation or identity. This helps in clarifying changes in names, titles, or affiliations.
Frequent in
News & Media
45%
Science
25%
Encyclopedias
10%
Less common in
Formal & Business
5%
Reference
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, the phrase "formerly known as" correctly and effectively indicates a previous name or identity, as confirmed by Ludwig AI. It functions as a descriptive modifier to provide clarity and historical context. Its usage is common across diverse fields such as news, science, and encyclopedias. While grammatically straightforward, its correct usage involves understanding its temporal implications—referring to a legal or official name change rather than a current alias. Consider alternative phrases like "originally known as" or "previously known as" to add nuance or emphasis to your writing. The phrase is versatile, finding use in describing people, places, organizations, and concepts, making it a valuable tool for clear and concise communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
originally known as
Focuses on the origin and initial designation rather than a change.
previously known as
Emphasizes a past identity without necessarily implying a recent change.
erstwhile known as
A more archaic or literary alternative, suitable for formal contexts.
once called
Simpler phrasing that highlights a name change.
used to be called
Informal and conversational way to indicate a past name.
by its former name
Highlights the name change but doesn't specify it directly.
at one time known as
More emphatic way to indicate that the name was used in the past.
previously identified as
More focused on identification and less on direct naming.
in its earlier incarnation
Describes a prior version or state rather than a specific name.
before the name change
Emphasizes that the change already took place in the past.
FAQs
How do I use "formerly known as" in a sentence?
Use "formerly known as" to introduce a past name or title, like "The Artist ("formerly known as Prince") released a new album".
What phrases are similar to "formerly known as"?
Similar phrases include "previously known as", "originally known as", or "used to be called", each with slight nuances.
When should I use "formerly known as" instead of "previously known as"?
Both phrases are largely interchangeable. "Formerly known as" may subtly emphasize a more distant past, while "previously known as" suggests a more recent past identity.
Can "formerly known as" be used for anything other than names of people?
Yes, it can also be used for places, organizations, or concepts that have undergone a name change, such as "Khyber-Pakhtunkhwa was "formerly known as" the North-West Frontier Province".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested