She was noted by the press as being one of the most photogenic golfers in the world and received international acclaim from her successes both nationally and abroad, bringing attention to the sport of women's golf in the era prior to the establishment of the LPGA.

[6] Elsie eventually became the club's office manager and Marion continued developing her considerable golf skills under her father's instruction.

Later, Standard Oil hired her in a public relations capacity to inspect gas stations and visit with local officials and business leaders.

[3] Starting in January 1934, Miley participated in the Orange Blossom Tour in Florida for the first time, covering a number of tournaments run throughout the state and seeing great success.

[4] The wins she made that year and the massive newspaper attention she obtained while traveling in a group with other major golfing names, including Maureen Orcutt, Grace Amory, Betty Jameson, and Patty Berg, opened Miley up for a spot on the United States team in the Curtis Cup.

[3] Miley's wins continued, resulting in her moving on to claim victory in the Mexican Amateur Championship in 1935,[8] with an audience to her triumph including Bing Crosby, Joan Bennett, and W.C. Fields.

[3] She ended up being the only American still in play in the tournament leading into the quarterfinals[9] and eventually lost in the semifinals against Bridget Newell, but received immense British media attention for the effort.

[3] This and other Florida tournament victories in 1937, such as the Augusta Invitational,[10] resulted in Miley being officially recognized as the rank one player in the United States.

[3] The beginning of 1941 saw her end up in a tie for the finals against Jean Bauer for a newly established invitational set in the Bahamas, where she met Edward VIII and Wallis Simpson.

She would reach the semifinals of the Miami International Four-Ball, while also focusing on altering her swing in order to improve the well-being of her thumb, which was seemingly better by September.

The thieves had been unaware that the high cost of attendance was accepted on credit for many of the actual attendees and not with physical cash, resulting in them managing to steal only around $140.

Her death was widely covered in contemporary news publications around the world,[3][5] and the three men involved in her killing were found quickly, placed on trial on December 8, 1941, and executed on February 26, 1943.