Suing a Friend or Family Member Over an Unpaid Personal Loan in Ontario

Lending money to someone you trust rarely comes with paperwork. You send an e-transfer, maybe exchange a text saying "I'll pay you back," and move on — until months later, the money hasn't come back and the relationship has grown tense. Suing a friend for an unpaid loan in Ontario is legally possible even without a signed agreement, but it means proving something that should have been written down and wasn't.

This guide walks through what you actually need to establish, how to gather it, and what to weigh before deciding whether court is worth it.

What You Need to Prove

A personal loan is a contract, even an informal one. To succeed, you generally need to show the court three things:

1. An agreement existed — that money was given as a loan, not a gift, and that repayment was expected
2. The loan was actually made — that the money changed hands, and how much
3. Repayment is now due and hasn't happened — that the agreed (or a reasonable) repayment point has passed without payment

The hardest of these is usually the first. Between friends and family, the line between "here's a loan" and "here's some help" is often blurry, and the other side may genuinely — or conveniently — remember it differently than you do.

Building Your Evidence

Without a signed loan agreement, your case rests on whatever record exists of the transaction and the understanding around it. Useful evidence includes:

• E-transfer records or bank statements showing the amount and date the money was sent
• Text messages, emails, or chat logs referencing the loan, repayment plans, or amounts owed
• Any partial repayments made by the borrower, which can support that both sides understood it as a loan
• Witnesses who were present when the loan was discussed or agreed to
• A pattern of communication — reminders you sent, excuses or promises they made — that shows an ongoing acknowledgment of the debt

The single best piece of evidence is usually a message where the borrower directly refers to the money as something they owe or need to pay back. If that exists anywhere in your text history, find it before doing anything else.

Why "It Was Just a Loan, Everyone Knew That" Isn't Enough

Courts decide these cases based on evidence, not on how obvious the arrangement felt to you at the time. If the only proof is your own memory of a conversation, and the other side disputes it, you are asking a judge to believe you over them with nothing independent to tip the scale. That doesn't mean you'll lose — but it does mean the strength of your case depends heavily on whatever documentation, however informal, actually exists.

This is also why acting sooner rather than later matters. Memories fade, message threads get deleted, and the passage of time makes it harder to reconstruct what was actually said and agreed.

Choosing Where to Sue

Most informal personal loans between individuals fall well within Small Claims Court's jurisdiction, which is designed for exactly this kind of dispute and does not require a lawyer to appear, though you are permitted to have one or a licensed paralegal represent you. For larger amounts beyond that court's monetary limit, the claim moves to the Superior Court of Justice's ordinary civil process, which is more formal and generally warrants legal representation.

Before You File: A Practical Checklist

• [ ] Gather every text, email, or e-transfer record related to the loan
• [ ] Write a clear timeline: when the loan was made, what was agreed about repayment, and what has happened since
• [ ] Send a written demand for repayment if you haven't already — it creates a dated record and may prompt payment without a lawsuit
• [ ] Check when you first knew (or should have known) repayment wasn't happening — this affects your limitation clock
• [ ] Consider whether the amount is worth the cost, time, and relationship strain of a lawsuit
• [ ] Decide whether Small Claims Court or Superior Court applies based on the amount involved

Weighing the Relationship Cost

Legal considerations aside, suing a friend or family member is rarely just a legal decision. Before filing, it is worth being honest with yourself about a few things: whether the relationship is already effectively over regardless of the outcome, whether the amount justifies the time and cost of litigation, and whether there is a realistic chance of recovering the money even if you win — a judgment against someone with no income or assets can be difficult to collect.

None of that means you shouldn't pursue a legitimate debt. It just means going in clear-eyed about what a lawsuit can and can't fix.

Frequently asked questions