Mary Hale Woolsey (March 21, 1899 – December 6, 1969) was an American songwriter and lyricist.

Mary Elizabeth Hale Woolsey was born on March 21, 1899, in Spanish Fork, Utah.

[2] However, they moved to Salt Lake City, Utah after the birth of their daughter Lael in 1919.

The song was rejected by 14 publishers, until it was finally bought by Villa-Moret Inc. from San Francisco.

[4] The song gained popularity in the Provo area and at Brigham Young University.

A popular radio duo of the time, Bob and Monte, was requested to sing the song and later record it.

Later Milt Taggart, who was the head of a music store in Salt Lake, had the copy of the song.

The Fox Entertainment Group who produced the film paid $1,000 to avoid copyright issues since they, too, used the song "When It's Springtime in the Rockies".

[12] Woolsey also wrote the words to several other songs, including "When the Cottonwoods are Yellow" and "By the Silv'ry Colorado".

Spencer began an all-girl musical group for a radio show, and Woolsey wrote the opening lines.

[14] For her musical contributions she became a member of the American Society of Composers, Authors and Publishers (ASCAP).