There are only three absolute facts in life: you pay taxes, you die, and you know someone with the middle name ‘Louise’.

All it takes is simply looking around at the second names of your female friends, work colleagues and pretty much anyone born in the 80s or 90s to see that this choice was extremely common for the ‘middle slot’ of one’s moniker.

Now, a UK analysis by Ancestry looked at UK middle names and found that, across its large dataset, the most popular middle name for girls in the UK was ‘Louise’, followed by ‘Rose’ and ‘Grace’.

But what is the actual reason why you know so many people with the middle name Louise? Because, let’s be real, it’s a bit of a known thing that so many women in the UK and beyond share that same middle name.

Why do so many women share the same ‘Louise’ middle name? (Getty Stock Images)

“Raise your hand if you were born in the late 80s/early 90s in the UK and your middle name is Louise,” penned one X user.

A second chimed in: “Women born in the 1960s & 1970s, did we ALL have the middle name Louise???”

A third questioned: “What’s up with the chokehold that the middle name Louise had on white parents in the 90s?”

Another joked: “I’m a middle-aged woman from the UK, so like almost every other woman of my age, I have the middle name of Louise. It was the law around 50 years ago.”

But why is this?

Well, ‘Louise’ has always been a pretty common name generally. The Tab notes that in 1991, 100 million girls were named Louise. In 1995, it was 136 million. And that’s only first names!

The phenomenon is a known thing on social media (Tyla)

So, there was already major popularity over the moniker to start off with.

Additionally, Mamamia says that it’s all about the rhythm.

“Most popular ‘80s and ‘90s girls’ names had two or three syllables, with the accent on the first syllable: Jessica, Sarah, Amy, Emma, Katherine, Rachel, Hannah, Georgia, Caitlin.

“To make a pretty-sounding combination, most parents would – subconsciously – choose a middle name with one syllable (Anne, Jane, Lee, Kate), or else two syllables, with the accent on the second syllable (Louise, Marie, Renee, Nicole),” the outlet explains.

In short, guys, it’s a simple, classic choice that easily complements various first and last names. Think: Charlotte Louise, Chloe Louise, Amy Louise – they all roll right off the tongue!

Not only is the name versatile and flows well with many other names, it also offers a pleasing sound.

Getting technical, ‘Louise’ is actually an iambic name, which just means it has two syllables with the stress on the second.

How many people do you know with the middle name ‘Louise’?