Jackson was the great-granddaughter of painter Henry Inman and Sir William Coddington, the first governor of Rhode Island.

Charles Frohman brought her to America[7] to play the leading lady in Little Miss Nobody at the Garden Theatre in New York City, in August 1898.

[7] She was in the musical farce, The Hotel Topsy Turvy, which opened at the Herald Square Theatre on October 3, 1898.

As Cecile, Jackson's fellow cast members included Marie Dressler, who demonstrates her versatility along with her noted talent for humor.

[13] Jackson starred as the title character in George T. Richardson's musical Little Red Riding Hood; a work which premiered on Christmas Eve 1899 at the Boston Museum.

[15] Jackson was 'Riding Hood', with Madge Lessing as 'Little Boy Blue' and Kitty Mitchell as 'Little Jack Horner'.

[16] In 1901, Jackson created the title role in Miss Bob White, a comic opera written by Willard Spenser.

The story tells of two millionaires compelled to live for several months as tramps after losing an election bet.

Henry W. Savage secured Jackson to sing the role of Sonia in the original Broadway production of The Merry Widow.

The Viennese comic opera was written by Victor Leon, Franz Lehár and Leo Stern.

[25] Jackson married J. Fred Zimmerman Jr., business manager of the Chestnut Street Theater, in 1902 at St. James Episcopal Church in Philadelphia.

[30] Newspaper reports announced the impending marriage of Jackson to Benoni Lockwood Jr., her lawyer when she was contesting a divorce from Zimmerman.

His father married a sister of the late Ambassador Thomas F. Bayard, Sr. of Delaware, and was one of the pioneer insurance men in New York City.

[31] Their wedding occurred on October 26, 1908 in Chestnut Hill, Pennsylvania, at the home of Henry Wharton, a brother-in-law of Lockwood.