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Wudilii Est. 2019
Case Study 2026 03 18

Running a Family of Four on One Income: What Actually Changed

A six-month timeline of a household income transition

By Ciarán Mulvey
Running a Family of Four on One Income: What Actually Changed

Roisin Farquhar had been earning €38,000 a year when she and her husband Pádraig decided she would leave work to care for their two children under five. They had six weeks notice before her last payslip. They used that time to do something most families skip: they rebuilt the budget from zero rather than just cutting from the existing one.

Starting from a blank sheet

Rather than trimming the old budget, Roisin listed only non-negotiable fixed costs first — mortgage, utilities, insurance, minimum food spend. Everything else was treated as optional until they consciously added it back in. This framing shifted how they thought about spending. Eating out went from a habit to a deliberate monthly choice with a set limit of €60.

The first six months

The first two months were uncomfortable. The family had previously relied on Roisin's income for most discretionary spending. Pádraig took on occasional weekend work for the first quarter to bridge the gap while they adjusted. By month four, the revised budget was running without shortfalls.

Where they landed

Two years later, the family maintains a small emergency buffer, contributes monthly to a credit union savings account, and has not needed to use credit since the transition. The shift required patience with the process, not a dramatic lifestyle overhaul.

What the numbers show

78%
of families with a written monthly budget avoid short-term debt more consistently
Across Wudilii webinar participants surveyed between 2021 and 2024, those who documented their spending targets were far less likely to rely on credit for routine expenses.
3.2×
more likely to have an emergency fund after 12 months of structured budgeting
€340
average monthly overspend identified by participants in their first budget audit
6 wks
typical time before new budgeting habits become consistent, based on participant self-reports

Before tracking our spending, we genuinely had no idea where the money went each month. It took about two months of consistent recording before we could see clear patterns — and then the adjustments felt obvious rather than painful.

Orla Fennelly Wudilii webinar participant, Limerick
4,800+ participants across Ireland have attended Wudilii's family budgeting webinars since 2019
31 counties represented among registered participants, including rural and remote areas with limited local access to financial education
8 hrs avg total live session time participants complete before reporting measurable change in budgeting confidence

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