Most scholars give stronger credence to an account that he arrived in New York City in 1867 at the age of 19 and made his American debut at the Bowery Theatre three years later in 1870.
However, another account states he first arrived in Philadelphia in 1871 and made his American debut that year at Fox's Theatre in that city.
[3] Rooney gained a reputation as a gifted comedian and dancer on the vaudeville stage from the 1870s until his death in 1892.
[3] Some of his more successful songs that gained popularity among the American public of his day included, "Is that Mr.
His children performed with him on the vaudeville stage as The Rooneys in a family act, and several of them had careers in entertainment, with his son being the most successful.