Princess Margaret was married to Antony Armstrong-Jones, the 1st Earl of Snowdon, from 1960 to 1978. After their divorce, she did not remarry.

Antony Charles Robert Armstrong-Jones, 1st Earl of Snowdon was was married to Princess Margaret from 1960 to 1978. He also has a reputation as one of Britain's most prominent and respected photographers.

Princess Margaret's son is David Armstrong-Jones, 2nd Earl of Snowdon. His title at birth was Viscount Linley, and he became the Earl of Snowdon after his father, the 1st Earl of Snowdon, died in 2017.

Lord Snowdon ---- Her late Royal Highness the Princess Margaret married the photographer, Mr. Antony Armstrong-Jones, on May 6, 1960. After the birth of the couple's first child, the Queen created Mr. Armstrong-Jones a peer (October 6, 1961), with the title the earl of Snowdon. The earl of Snowdon and H.R.H. The Princess Margaret, Countess of Snowdon were divorced in 1978, and the princess died in 2002.