[2] In 1838, he exhibited two paintings at the National Academy of Design; the following year he moved to New York City and opened a studio.

They toured Europe in 1853, settling in Paris where Anna gave birth to twins Ehrick Kensett and Charlotte.

Rossiter kept a studio in Paris from 1853 to 1856, winning a gold medal at the Universal Exposition of 1855 for his Venice in the Fifteenth Century.

He wrote of his sadness to see the deteriorated state of the buildings and grounds, and urged the restoration of the mansion and furniture to the condition that Washington left them.

[3] In 1860, Rossiter married Mary (Mollie) Sterling and moved his family to Cold Spring, New York on the Hudson River.