1850 — Dyllis is born.
1852 — At two years of age, Dyllis uses magic for the first time when she glued her brother to a chair.
1853 — Alberta is born.
1855 — Dyllis' mother begins teaching her how to read and write.
1856 — Ernestine is born.
1857 — Gerald receives his Hogwarts letter. Dyllis begins to spend more time with Alberta but misses her brother immensely. Her father is promoted and is thus able to be at home more often.
1858 — At eight years of age, her father starts giving her secretarial work as a way of helping her learn and to keep her busy.
1860 — Mrs. Perkins' dies in childbirth which is made worse by the fact that the child is stillborn. Dyllis, as the eldest girl, picks up the slack especially as her father is bereft.

1862 — Dyllis finally gets that long awaited Hogwarts letter. One of the eldest in her year, the awkward nearly-twelve year old finds herself placed in Ravenclaw. Equipped with a toad, thick glasses and uneven teeth, Dyllis finds herself picked upon.
1864 — Dyllis takes up Care of Magical Creatures, Earth Magic, Ghoul Studies, and Ancient Runes.
1866 — Dyllis is made Prefect.
1868 — Her final year at Hogwarts and the year she is made Head Girl. Dyllis is delirious with happiness. During the school year her father grows very ill.

1869 — Dyllis graduates Hogwarts with a brilliant set of NEWTs and returns home to see to her ailing father. Within a couple months, he passes away. Dyllis looks after her younger sisters while starting up an internship with the Ministry of Magic. Her original aspirations involve working for the Department of Regulation and Control of Magical Creatures as a secretary but soon discovers the Pest Advisory Bureau and changes her mind.
1870 — Finished with her internship and still minding her sisters, Dyllis manages to worm her way into the Pest Advisory Bureau. Alberta marries a muggle man.
1873 — Ernestine, lacking in ambition and not caring for studies, decides to leave Hogwarts after her OWLs.
1877 — Ernestine marries a gentleman who had been in the year above Dyllis at Hogwarts. With only herself left living in the family home, Dyllis decides to sell it and move to Hogsmeade.
1879 — At the ripe old maid age of 29, Dyllis finally earns that golden promotion and becomes Head of the Pest Advisory Bureau.

Dyllis remains an unwed spinster and a devoted Ministry worker living in Hogsmeade.