Harriet Alice "Haddie" Dumolo (17 September 1875 - 3 February 1944) was an early childhood educator in New South Wales.
The girls were educated at the private school run by the Misses Liggins and Arnold at Jeffrey street, Kirribilli Point, (later to become SCECGS Redlands, Military Road, Cremorne).
She was responsible for the move to Henrietta Street, Waverley, when it was renamed the Sydney Kindergarten Training College.
She was responsible for the founding in 1922 of the Frances Newton Memorial Free Kindergarten at 287 Bourke Street, Darlinghurst.
[1] Her two sisters, Nona (1877–1966), who was Principal of New England Girls' School from 1925 to 1939, and Elsie (1879-1963) were both prominent in the Church of England girls' education system and all three were active workers for St Alban's Anglican Church, Lindfield.