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Thaddeus Connellan

1780 – 1854

Irish school-teacher, poet and historian

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About Thaddeus Connellan

Lived 1780 – 1854 (aged 73–74). Thaddeus Connellan was an Irish linguist and historian.

Thaddeus "Thady" Connellan (1780–1854) was an Irish school-teacher, poet and historian.

Life He was born in Skreen, County Sligo, and was a relative of the scholar Owen Connellan. He started a school of his own, but had more success when he became principal of a school established by the Rev. Albert Blest (father of William Cunningham Blest), a Baptist, supported by the London Hibernian Society in Greenville, Coolaney, in the early 1800s. Like his relative Owen he left the Catholic church and embraced Protestantism, around 1808. Among other works he produced an Irish-English dictionary and edited a series of song-books.

He died at Sligo, on 25 July 1854.

Publications English - Irish Dictionary intended for use of Schools, Dublin, 1814. Seanraite Sholaim a Ghaoidheilge agus mBearla – The Proverbs of Solomon in Irish and English, (1815) Litir an Ríogh a nGaoidheilge, ó Shaicsbhearla, 1825. An duanaire. Fonna seanma. A selection of Irish melodies, poems and moral epigrams, (1829)

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Important facts

Born
1780, Skreen
Birth century
Died
1854, Sligo
Occupation
Nationality
Also known as
Tadhg Ó Coinnialláinn, Thaddaeus Connellan, Thady Connellan, Tadhg O Coinniallainn, Thady Connellan

People in Thaddeus Connellan's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Thaddeus Connellan's

Frequently asked questions

Who was Thaddeus Connellan?

Irish school-teacher, poet and historian

When was Thaddeus Connellan born?

Thaddeus Connellan was born in 1780 in Skreen.

When did Thaddeus Connellan die?

Thaddeus Connellan died in 1854 in Sligo.

What was Thaddeus Connellan's occupation?

Thaddeus Connellan was a linguist and historian.

What nationality was Thaddeus Connellan?

Thaddeus Connellan was Irish.

Sources & further reading

· Wikipedia: Thaddeus Connellan

· Wikidata: Q7709047

· DBpedia: Thady Connellan

Cite this page

APA: Biography.guide. (2026). Thaddeus Connellan. https://biography.guide/thaddeus-connellan/

MLA: "Thaddeus Connellan." Biography.guide, https://biography.guide/thaddeus-connellan/.

Chicago: "Thaddeus Connellan." Biography.guide. https://biography.guide/thaddeus-connellan/.

Data last updated: 2026-09-21 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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