In 1830, the newly erected parish bought the recently vacated old Christ Church Episcopal church building, and moved it to the corner of Talcott Street and Main Street.

In 1853, the original Holy Trinity Church building on Talcott Street caught fire and was destroyed.

When the founding pastor, Angelo Chicaglione, returned to Italy in February 1895, he was succeeded by his assistant, Edward Flannery.

[3] In 1990, the Franciscan Friars were invited to serve at the parish, and begin an urban outreach ministry.

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