[1] She was born in London, the daughter of Mary and Valentine Snow, who was the sergeant-trumpeter to George II.

[4] Baddeley was noted as a talented singer rather than as an actress, she obtained engagements at Ranelagh and Vauxhall Gardens to public acclaim.

[3] At the height of her success and after separating from her husband in 1770, she discovered that she could sustain herself financially by finding wealthy benefactors and establishing herself as a courtesan to them.

[1] Her overspending and ultimate failure in managing her finances eventually obliged her to take refuge from her creditors in Dublin, Ireland[3] and later Edinburgh, Scotland.

She died of consumption, aged 41, the following year[3][5] at her lodging at Shakespeare Square in Edinburgh at the east end of Princes Street.