A woman named her three adult children as equal beneficiaries on her investment account — one-third each, straightforward. Then one of those children died before she did, leaving behind two grandchildren of her own. Suddenly, a form that looked simple raised a question nobody had actually answered in writing: do that deceased child’s two kids now split their parent’s third between them, or does the entire account get redivided in half between the two surviving children, cutting the grandchildren out of what their parent would have received? The two-word Latin phrase sitting quietly on the beneficiary form — or its absence — was the only thing that determined the answer.
Two Latin words doing a lot of quiet work
Per stirpes translates roughly to “by the roots” or “by branch,” and it means exactly what that translation suggests: if a named beneficiary dies before the account owner, that beneficiary’s share doesn’t get redistributed among the surviving beneficiaries — it passes down to that beneficiary’s own children, who split their deceased parent’s share among themselves.¹ In the scenario above, choosing per stirpes means the deceased child’s third gets divided between her two children — one-sixth each — while the two surviving children keep their original one-third shares. The share follows the family branch, not the surviving group.
Per capita — “by the head” — works differently. If a named beneficiary dies before the account owner and the distribution is per capita, that beneficiary’s share gets redistributed among the beneficiaries who are still alive at the time of distribution, and the deceased beneficiary’s own children receive nothing directly from this account, regardless of how close a relationship they had with the person who set it up.² In the same scenario, per capita means the two surviving children now split the account fifty-fifty, and the grandchildren get nothing from it — not because anyone decided to exclude them, but because the distribution method never routes a share to a lower generation at all.
Why this shows up on more forms than people realize
Per stirpes and per capita aren’t obscure trust-law jargon confined to complex estates — they’re standard options on ordinary beneficiary designation forms for life insurance policies, retirement accounts, and payable-on-death bank accounts, precisely because “what happens if a beneficiary dies first” is a question every multi-beneficiary designation eventually has to answer. Many forms default to per capita, or to no specified method at all, in which case the account or policy administrator applies whatever the relevant state’s default distribution rule happens to be — a default the account owner never actually chose and may not have wanted.
The version most people actually mean, even if they don’t know the phrase
When people describe their intentions in plain language — “I want my kids to split it, and if one of them isn’t around anymore, I want their kids to get their share” — they are, without knowing it, describing per stirpes distribution. That instinct, that a grandchild should inherit their deceased parent’s portion rather than seeing it absorbed by aunts and uncles, is the majority intuition, which is part of why per stirpes is the more commonly selected option on forms that offer a choice. But intuition doesn’t fill out paperwork. If the box isn’t checked, or the phrase isn’t written into the will or trust, the account owner’s actual preference has no legal effect — only whatever the form’s default, or the state’s default, actually says.
A modern refinement worth knowing about
Some states and some drafting attorneys now use a third variation — “per capita at each generation” — designed to fix a quirk of classic per stirpes distribution in families with uneven numbers of grandchildren across branches. Classic per stirpes can result in one branch’s grandchildren each receiving a larger individual share than another branch’s grandchildren, simply because one deceased child had fewer kids than another. Per capita at each generation instead ensures that all beneficiaries at the same generational level receive equal individual shares, regardless of which branch they descend from. Whether that distinction matters to a given family depends entirely on the family’s actual structure — it’s not a universal improvement, just a different design choice for a specific situation.
The two-word check worth making today
Every account with more than one named beneficiary is implicitly making a per stirpes or per capita decision, whether or not anyone typed those words into a form. The fix isn’t complicated — call the institution holding each account, ask what distribution method is currently selected or defaulted to, and change it if it doesn’t match what would actually happen to the money in your own family if one of your beneficiaries didn’t outlive you. It’s a five-minute phone call standing in for a decision that, left unmade, a form or a state statute will make for you.
Sources
1. Merriam-Webster, “Per Stirpes,” merriam-webster.com/dictionary/per%20stirpes — “in equal shares to each member of a specified class with the share of a deceased member divided equally among that deceased member’s descendants.”
2. Merriam-Webster, “Per Capita,” merriam-webster.com/dictionary/per%20capita — distribution equally to each individual member of a class, as distinguished from per stirpes distribution by branch.
This article is for educational purposes only and does not constitute legal, tax, or financial advice. Default distribution rules when no method is specified vary by state and by institution. Consult a licensed estate attorney to ensure your beneficiary designations reflect your actual intentions.
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