John Rogers Thomas was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

, pianist

Pianist

A pianist is a musician who plays the piano. A professional pianist can perform solo pieces, play with an ensemble or orchestra, or accompany one or more singers, solo instrumentalists, or other performers.-Choice of genres:...

, and singer of Welsh

Welsh people

The Welsh people are an ethnic group and nation associated with Wales and the Welsh language.John Davies argues that the origin of the "Welsh nation" can be traced to the late 4th and early 5th centuries, following the Roman departure from Britain, although Brythonic Celtic languages seem to have...

 descent.

Thomas was born in Newport, Rhode Island

Newport, Rhode Island

Newport is a city on Aquidneck Island in Newport County, Rhode Island, United States, about south of Providence. Known as a New England summer resort and for the famous Newport Mansions, it is the home of Salve Regina University and Naval Station Newport which houses the United States Naval War...

. A baritone and composer, he first came to America with the Sequin English Opera Company and became interested in the music of America that was developing. He sang and toured with Bryant's Minstrels and settled in New York.

He wrote more than one hundred popular American songs during the nineteenth century of which his most popular were The Cottage by the Sea (1856), Old Friends and Old Times (1856), Bonny Eloise—The Belle of Mohawk Vale (1858), Tis But a Little Faded Flower (1860), When the War Is Over, Mary (1864), Beautiful Isle of the Sea (1865), Croquet (1867), Eilleen Allanna (1873), and Rose of Killarney (1876). Thomas occasionally published material under the pseudonyms Charles Osborne, Arthur Percy and Harry Diamond. In addition to song writing, Thomas composed three larger works; The Picnic (1869), a children's operetta

Operetta

Operetta is a genre of light opera, light in terms both of music and subject matter. It is also closely related, in English-language works, to forms of musical theatre.-Origins:...

 with a libretto by George Cooper

George Cooper

George Stephen Cooper , was an Australian cricket Test match umpire.He umpired two Test matches between 1948 and 1950...

; The Lady in the Mask (1870), an operetta with a libretto by George Cooper; and Diamond Cut Diamond (1876), a parlor opera in one act.

In addition to his popular songs, Thomas also composed sacred music, and was also known as a teacher in Brooklyn and in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, where he died.

Correction on Thomas' birth date and place; born 1829 in Newport, "South Wales" not Rhode Island as stated above.