How do siblings share care for a parent?

Sharing a parent's care between siblings works with just three rules: one named owner for each task, one shared source of information everyone can see, and a written handover whenever someone is away. Everything else is detail that follows from those three.

Why the split breaks, despite good intentions

"Shared responsibility" is the first cause: when nobody is named, each sibling assumes another handled it. This is not negligence — everyone is busy, and a task with no name falls between all of them.

The second cause is having several sources: a list with one sibling, a photo in the family chat, a verbal note with a third. The copies disagree within a fortnight, and the disagreement surfaces exactly when you need the information.

Four roles you can actually split

Splitting roles works better than splitting days, because roles do not change every week. Assign them by what each person is good at and by their proximity or available time, not by birth order.

• Schedule owner: keeps the medication and appointment list current, adding changes as they happen.
• Appointments owner: books, confirms, and knows who is taking the parent to each visit.
• Supply owner: makes sure medications do not run out and prescriptions are renewed on time.
• Comms owner: the single point everyone checks in with, who tells the rest what changed.

The handover week: where good systems break

A schedule that runs in one person's hands looks perfect until that person travels or falls ill, and the details that only lived in their memory surface. The fix is not trying harder to remember — it is a schedule someone else can pick up without asking questions.

The practical test: could your sibling open the schedule tomorrow morning and run the whole day without asking a question? If not, the gap is in the schedule, not in the person.

Start this week

You do not need a meeting or a perfect arrangement. Four steps are enough to move from verbal coordination to a shared system.

• Collect everything written down, wherever it lives, into one place; delete or demote the other copies to read-only.
• Put one person's name against each task — never the family's.
• Hold a short weekly check of the names: owners change, and an unreviewed schedule falls out of step within days.
• Agree the handover before the travel, not on the day someone leaves.