We Release Go Name Detector: When Data Privacy Needs Enterprise Speed

A few months ago, at Montevive.AI, we faced a problem you're probably familiar with: one of our clients needed to analyze millions of records to comply with GDPR, but the available tools took hours to process their data. While exploring different options, we came across names-dataset, an excellent Python library with an impressive database of real names, but it was too resource-intensive and slow for enterprise processes. That's when we decided to port it to Go to make it radically more efficient.
Today we are releasing Go Name Detector, our optimized migration that detects personal information in your data 10 times faster than the original Python version. And yes, it's completely open source because we believe data privacy is a right everyone should be able to protect efficiently.
The Real Problem No One Wants to Admit
Most companies are sitting on a ticking time bomb in terms of data privacy. It's not that they don't want to comply with regulations; it's that current tools make the process incredibly painful.
Imagine having to review logs of millions of transactions to ensure no customer names are exposed. Or worse, discovering after an audit that your analytics system has been processing unanonymized personal information for months. GDPR fines can reach 4% of your global annual revenue. That's not a mistake you can afford.
The technical problem is fascinating: detecting names isn't as simple as looking for words in a list. "Rosa" can be a name or a color. "Santiago" can be a person or a city. And when you add cultural complexity (Spanish names with two surnames, Asian compound names, Arabic transliterations), things get exponentially more complicated.
The Solution We Built (and Why It's Different)
Go Name Detector was born from an ambitious migration. We took the popular Python library names-dataset, which is excellent but slow and heavy, and rebuilt it from scratch in Go. But we didn't stop there. We completely reimagined it.
📊 Performance Metrics That Speak for Themselves:
table { border-collapse: collapse; width: 100%; margin: 20px 0; font-family: Arial, sans-serif; } th { background-color: #6B46C1; color: white; padding: 12px; text-align: left; font-weight: bold; } td { padding: 12px; border-bottom: 1px solid #ddd; } tr:hover { background-color: #f5f5f5; } strong { color: #6B46C1; font-weight: bold; } .mejora { color: #10B981; font-weight: bold; } h2 { color: #333; font-family: Arial, sans-serif; margin-top: 30px; }
| Metric | Original Python | Go Name Detector | Improvement | | --- | --- | --- | --- | | Detection Speed | 50-100ms | 3-9ms | 10-20x faster | | Memory Usage | 3.2 GB | 500 MB | 6x less | | Load Time | 30-60 seconds | 4.3 seconds | 14x faster | | Batch Processing | ~100 names/sec | 10,000+ names/sec | 100x faster | | Names in Database | 727,556 | 727,556 | Same coverage | | Surnames in Database | 983,826 | 983,826 | Same coverage | | Supported Countries | 105 | 105 | Global coverage |
The result is a tool that processes over 10,000 names per second. To put that in perspective, it means you can analyze a million records in less than two minutes. The original Python version would take over three hours to do the same.
But speed is only part of the story. What really excites us is the universal algorithm we developed. Instead of using rigid rules like "first word = name, second = surname" (which fail spectacularly with names like "María del Carmen García López"), our system intelligently tests all possible combinations and calculates probability based on real data from 533 million people across 105 countries.
How It Works in the Real World
Let's say your system logs this entry: "User Jose Manuel Robles Hermoso made a purchase." A traditional system might only identify "Jose" as a name, or worse, might not detect anything if it's expecting a specific format.
Go Name Detector analyzes all possibilities:
- Is "Jose Manuel" the name and "Robles Hermoso" the surnames?
- Or is "Jose" the name and "Manuel Robles Hermoso" the surnames?
The algorithm evaluates each combination against our database of 727,556 names and 983,826 surnames, considering the popularity of each name in different countries and the cultural consistency of the set.
In this case, it would correctly detect that "Jose Manuel" are the names (very common in Spain to have two first names) and "Robles Hermoso" are the surnames (the Spanish pattern of paternal and maternal surnames), with 92.1% confidence. All of this in less than 9 milliseconds.
Why We Decided to Make It Open Source
At Montevive.AI we have a clear philosophy about security and privacy. We migrated and optimized the original Python library to Go to gain exceptional performance, and we decided to share it with the community because we believe fundamental tools for data protection should be accessible to everyone.
🎯 Benefits of Our Open Source Approach:
- Total Transparency: Companies know exactly how we protect their data
- Auditable: Anyone can review and validate our algorithms
- Adaptable: Customizable for specific industry needs
- Community: Continuous improvements from developers worldwide
- No Vendor Lock-in: Your company retains full control
- Trust: Showing the code generates more credibility than any certification
Furthermore, there's something powerful about showing your work. When a potential client can see exactly how we solve complex problems, how we optimize for performance, and how we think about privacy, it creates a level of trust that no marketing brochure could achieve.
What This Means for Different Teams
For Developers:
If you're a developer, Go Name Detector integrates into your pipeline with a single line of code. You don't need to configure anything, there are no external files to download, no complicated dependencies. Just go get and you're ready. The library includes all data embedded and optimized in Protocol Buffers format.
Install it directly from Go Name Detector on GitHub:
go
// Instant installation
go get github.com/montevive/go-name-detector@latest
// Immediate use
d, _ := detector.NewDefault()
result := d.DetectPII([]string{"Juan", "Pérez"})
For Data Scientists:
If you work in data science or analytics, imagine being able to clean your datasets in seconds instead of hours. Before training that machine learning model, you can guarantee there's no hidden personal information in your data. Before sharing that dataset with a partner, you can automatically verify it complies with privacy regulations.
For Security and Compliance Teams:
If you're responsible for compliance or security, this tool gives you superpowers. You can audit entire databases in minutes, set up real-time monitors that detect PII in logs, or validate that your anonymization processes actually work. And since it uses only 500MB of RAM (compared to the 3.2GB of the Python version), you can run it anywhere, from your laptop to a cloud container.
Features That Make a Difference
table { border-collapse: collapse; width: 100%; margin: 20px 0; font-family: Arial, sans-serif; } th { background-color: #6B46C1; color: white; padding: 12px; text-align: left; font-weight: bold; } td { padding: 12px; border-bottom: 1px solid #ddd; } tr:hover { background-color: #f5f5f5; } strong { color: #6B46C1; font-weight: bold; } .mejora { color: #10B981; font-weight: bold; } h2 { color: #333; font-family: Arial, sans-serif; margin-top: 30px; }
| Feature | Description | Real Impact | | --- | --- | --- | | Universal Algorithm | No hardcoded rules, pure ML | Works with ALL cultural patterns | | Massive Dataset | 533M real people | Precise and reliable detection | | Protocol Buffers | Optimized binary format | 6x less memory, ultra-fast loading | | Intelligent Scoring | Multiple confidence factors | Reduces false positives to a minimum | | Included CLI | Ready-to-use tool | Batch analysis without programming | | Embedded | Everything included in the library | Zero configuration, zero dependencies | | Cultural Support | 105 countries, all patterns | Spanish, Asian, Arabic names, etc. |
The Future We're Building
Go Name Detector is just the first step in our vision of a complete ecosystem of AI tools for privacy and security. We're working on:
- Extended Detectors: Addresses, phones, ID numbers, emails
- Intelligent Anonymization: Preserves utility while protecting privacy
- Real-time Dashboards: Visualize your privacy posture instantly
- Predictive Analysis: AI that anticipates risks before they occur
- Native Integration: Plugins for all major platforms
But beyond specific tools, we're betting on a cultural shift in how the industry thinks about privacy. It shouldn't be a costly compliance hurdle, but a competitive advantage. Companies that can process and analyze data while respecting privacy at speed and scale will be the ones defining the future.
Join Us
Go Name Detector is available right now on GitHub. You can download it, test it, improve it, or simply study it to understand how we tackle these challenges. If you find a bug, report it. If you have an idea to improve it, submit a pull request. If it helps you in your work, give it a star so others can discover it.
🚀 Get Started in 3 Simple Steps:
- Install:
go get github.com/montevive/go-name-detector@latest - Import:
import "github.com/montevive/go-name-detector/pkg/detector" - Use:
d.DetectPII(words)– It's that simple!
And if your company needs to go further, if you need customized solutions or enterprise support, that's where Montevive.AI comes in as a partner. We've helped companies of all sizes transform their data privacy practices, from startups needing to comply with their first GDPR audit to corporations processing trillions of records daily.
Data privacy isn't just a legal obligation; it's an ethical responsibility and a business opportunity. With the right tools, protecting your users' personal information doesn't have to be slow, expensive, or complicated.
Visit github.com/montevive/go-name-detector to get started today, or contact us at montevive.ai to discover how we can help take your privacy strategy to the next level.
Because at Montevive.AI, we don't just develop AI. We develop AI you can trust.

