Compare name combinations

Why the pairing matters more than either half

People tend to judge rarity on the surname alone, but the combination is what decides whether you will ever share a name with someone. A very common first name attached to a very common surname produces a genuinely crowded full name — there are tens of thousands of James Smiths. Swap either half for something even modestly unusual and the count collapses, often by a factor of a hundred.

Reading the comparison

Results are ordered rarest first, with a bar showing relative scale. Because the differences are frequently enormous, the bar is linear and the rarest entries will often look like nothing at all next to the most common one. That is the point: the gap between a rare full name and a common one is usually several orders of magnitude, not a few percent.

Picking a baby name with this

If you are using the tool to weigh up options, the surname is fixed and the first name is the lever. Try the same surname against several first names and you will see how much control you actually have — often the difference between a child who shares their name with thousands and one who shares it with a handful.