Most people spend hours on a will and never look at their beneficiary forms again after they sign them. That's backwards. The beneficiary designation on your life insurance, retirement account, or annuity overrides whatever your will says. If they conflict, the form wins.
Which means a 10-minute review of your beneficiary forms can prevent the most expensive, painful estate problems we see.
The basic rule almost everyone gets wrong
Beneficiary designations on life insurance and retirement accounts are contracts. They pass outside probate, which is great. But they pass exactly to whoever is on the form, regardless of what your will says, what's fair, or what your family expected.
If you named your sibling as a backup beneficiary in 2008 and got married in 2014 and had a child in 2018, and you never updated the form, that sibling can still legally receive the money.
The four most common mistakes
1. An ex-spouse is still listed
This happens constantly. Divorce decrees can sometimes (but not always) revoke a beneficiary designation, and the rules differ for ERISA retirement plans, IRAs, life insurance, and annuities. Don't rely on the law to clean it up. Update the form yourself.
2. The estate is listed as the beneficiary
Naming 'my estate' makes the proceeds go through probate, which means delays, court costs, and exposure to creditors. It also creates a tax problem with retirement accounts in many cases. Almost always a mistake.
3. No contingent beneficiary
If your primary beneficiary dies before you (or with you) and there's no contingent, the money usually defaults to your estate. Same problem as above. Always name a contingent.
4. Naming a minor child directly
Insurance companies will not write a check to a minor. The money goes to a court-supervised guardianship or custodianship, which is slow, expensive, and often pays out the full amount at age 18 to a teenager who is not ready to manage it. There are better ways to do this.
How to do it right
For most adults with adult beneficiaries
Name the people directly. List a primary beneficiary and a contingent. Use full legal names and ideally dates of birth or last 4 of SSN if the form allows it, so identification is unambiguous.
For parents with minor children
You have three good options. First, set up a revocable living trust and name the trust as the beneficiary, with instructions for how funds are managed and distributed. Second, name a UTMA custodian for each child (the custodian holds the money until the age set by state law, often 18 or 21). Third, for life insurance specifically, you can sometimes set up a settlement option that pays the proceeds out as an income stream rather than a lump sum.
All three avoid the worst case (a teenager getting a six-figure check on their 18th birthday).
For blended families
Be specific. 'My children' is ambiguous if you have step-children, biological children, and adopted children. List each name. If you want to include step-children, name them. If you don't, don't assume the form will sort it out.
For unmarried partners
Without a beneficiary designation, an unmarried partner gets nothing from a life insurance policy or retirement account, no matter how long the relationship. Name them explicitly.
Special rules for retirement accounts
Spousal rights matter here. For 401(k) and similar ERISA-governed plans, federal law requires your spouse to be the beneficiary unless they sign a waiver. You cannot disinherit a spouse from a 401(k) just by leaving them off the form.
IRAs are different. There is no spousal default for IRAs in most states (California is generally one of the exceptions due to community property rules, but the practicalities are messy). Talk to a planner if this applies to you.
When to review your forms
Set a calendar reminder once a year, around the time you do taxes. It takes 10 minutes per account.
Also review immediately after any of these events:
- Marriage or divorce
- Birth or adoption of a child or grandchild
- Death of a previously named beneficiary
- A child reaching age 18 or 21 (if you used a UTMA)
- Setting up or updating a trust
- Buying a new policy or rolling over a retirement account
Where to find your forms
Each policy and account has its own form. To check beneficiaries, log into the insurance company's customer portal or the retirement plan's site. If you can't find it online, call the company. They will tell you who is listed on file in about 5 minutes.
Don't trust your memory. People are routinely surprised by who they actually have listed.
A 10-minute checklist
- List every life insurance policy, retirement account, IRA, and annuity you own
- For each, log in or call to confirm primary and contingent beneficiaries
- Check for ex-spouses, deceased people, or anyone you no longer want to receive funds
- Confirm contingent beneficiaries exist and aren't 'my estate'
- If minor children are listed directly, plan a fix this month
- Save a screenshot or PDF of each confirmation page
If your situation has changed and you want help thinking through how your life insurance should pay out, we'll sit down with you and review every policy. No obligation, no pressure.
Written by
ACIAI Team
Licensed California Insurance Agents
The ACIAI editorial team — a group of licensed California agents helping families navigate auto, home, life, and business insurance across the Central Coast.




