Ogham Divination: Reading the Wisdom of the Trees
If you enjoy the idea of divination with a distinctly Celtic flavour, you may have come across Ogham – pronounced roughly OH-um or OH-gum. Often called the Celtic tree alphabet, Ogham has an air of mystery about it, with its simple lines and notches carved into ancient stones. It’s easy to imagine a wise druid sitting beneath an oak tree, drawing Ogham symbols to reveal what the future might hold!
The reality, however, is a little more complicated – and even more fascinating.
What Exactly Is Ogham?
Ogham is an early medieval writing system that was primarily used to write the early Irish language, as well as some other Celtic languages. Its earliest surviving examples appear on standing stones, mostly in Ireland and western Britain, and are generally dated from around the 4th to 7th centuries CE.
The letters of Ogham are made up of groups of straight lines and notches arranged along a central line, or stemline. On stone monuments, the edge of the stone often served as the stemline, with the markings carved across, through, or beside it.
The traditional Ogham alphabet contains 20 main letters, divided into four groups of five called aicmí (pronounced approximately ECK-mee). Later additions brought the traditional system to 25 letters, although these extra letters are generally considered later developments.
Ogham was a practical writing system, and many surviving inscriptions appear to have been used to record names, family relationships, ownership, or memorials. So, contrary to some modern portrayals, Ogham was not originally created as a magical alphabet or a divination system.
That doesn’t mean it hasn’t become magical in modern practice!
From Writing System to Divination Tool
The connection between Ogham and divination is largely a modern interpretation, influenced by medieval Irish literature, Celtic traditions, folklore, and the revival of interest in Celtic spirituality.
The medieval Irish tradition contains stories connecting the origins of Ogham with the god Ogma, who is sometimes described as a skilled warrior and champion of the Tuatha Dé Danann. In one tradition, Ogma is credited with inventing Ogham as a means of conveying messages.
Some medieval texts also associate individual Ogham letters with trees, plants, animals, places, and various qualities. Over time, these associations became increasingly important to modern practitioners.
The idea of Ogham as a system of divination grew popular during the Celtic revival and, later, within modern Paganism, Druidry, and contemporary witchcraft. Today, many people use sets of Ogham staves or cards much as others use Tarot cards or runes.
So, while there is no solid historical evidence that ancient Celtic people regularly used Ogham staves for fortune-telling, modern Ogham divination has developed into a meaningful spiritual practice in its own right.
The Ogham Tree Connection
Perhaps the most famous feature of modern Ogham is its association with trees.
You will often hear Ogham described as a “tree alphabet,” and modern Ogham divination commonly assigns each letter to a particular tree or plant. The familiar associations include trees such as birch, rowan, ash, alder, willow, hawthorn, oak, holly, hazel, and yew.
However, there is an important historical wrinkle here. The idea that every Ogham letter originally represented a specific tree is not quite as straightforward as modern books and divination sets sometimes suggest. The medieval Auraicept na n-Éces, a text concerning the Irish language and Ogham, gives several different types of associations for the letters, including trees, plants, and other categories.
Some modern tree associations are also debated by historians and linguists. In other words, the lovely, tidy system of “one letter, one tree, one magical meaning” that you may find in a modern Ogham divination set is a blend of historical material, later interpretation, and modern spiritual practice.
For a witch or modern Pagan, that doesn’t necessarily make it less useful. It simply means that it is helpful to know which parts come from historical sources and which belong to modern tradition.
How Does Ogham Divination Work?
Modern Ogham divination is usually performed with a set of 20 or 25 staves, each marked with an Ogham symbol. Some practitioners use wooden sticks, while others use cards, stones, or other materials.
The basic process is similar to many other forms of divination.
First, the practitioner focuses on a question or situation. The Ogham staves are then mixed or placed into a bag, and one or more are selected.
A single Ogham stave might be drawn for a quick answer or daily guidance. Several can be drawn for a more detailed reading.
For example, you might use three staves to represent:
- The past – what has influenced the situation
- The present – what energy surrounds you now
- The future – where things may be heading
Or you could use them to explore:
- The situation
- The challenge
- The advice
The meanings are generally interpreted through the symbolism of the particular Ogham letter, its associated tree or plant, and the question being asked.
Rather than treating the reading as an unchangeable prediction of the future, many modern practitioners see Ogham as a way to explore possibilities, intuition, and personal reflection.
In that sense, the Ogham staves aren’t necessarily telling you, “This is exactly what will happen.” They may be asking, “Have you considered looking at things this way?”
Ogham and the Wisdom of Nature
This is where Ogham can be especially appealing to witches with an interest in nature, herbalism, or green witchcraft.
Trees have always carried deep symbolic meaning in Celtic cultures. They provided food, shelter, medicine, tools, fuel, and building materials. Certain trees were also associated with stories, legends, protection, wisdom, or the Otherworld.
Modern Ogham divination often builds on these ideas.
A reading involving birch, for example, may be interpreted as a symbol of new beginnings, renewal, or fresh starts. Rowan is frequently associated with protection and magic. Oak suggests strength, endurance, and stability, while willow may bring themes of intuition, emotions, and adaptability.
These meanings aren’t universal rules. Different traditions and modern Ogham systems may assign different interpretations to the same letter.
That is part of the beauty of working with Ogham: you can learn the traditional associations, but you can also develop your own relationship with the trees and plants around you.
A walk through a forest can become part of your practice. What trees do you encounter? Which ones seem to appear repeatedly in your life? What does a particular tree mean to you?
Sometimes the most useful divination doesn’t happen while you’re drawing a stave at all. It happens when you step outside and pay attention.
Ogham, Druids, and the Ancient Celts
Ogham is often strongly associated with Druids, but this connection needs a little caution.
There is no reliable evidence that the ancient Druids invented Ogham or used it as a divination system. The earliest surviving Ogham inscriptions date from a period when Christianity was already established in Ireland, although Ogham may have developed from earlier traditions.
The ancient Celtic world also wasn’t a single unified culture with one religion or one set of beliefs. Celtic-speaking peoples lived across a wide area, and their customs varied from place to place and over time.
Still, Ogham has become an important part of modern Celtic-inspired spirituality and contemporary Druidry. For many modern practitioners, it provides a way to connect with ideas of nature, ancestry, mythology, and the symbolic wisdom of trees.
Just as importantly, it reminds us that the past is more complicated than a single magical story – and that discovering those complexities can be part of the journey.
Creating Your Own Ogham Practice
If you would like to try Ogham divination, you don’t need an elaborate altar or a collection of ancient artefacts.
You can purchase or make a set of Ogham staves, or even create your own cards. Some people enjoy collecting fallen branches and creating their own set from responsibly gathered wood. You could also make a set from stones, clay, or other natural materials.
Before using them for divination, spend some time learning about the letters and their historical background. Then explore the modern symbolic meanings associated with them.
You might also choose to spend time with the trees themselves.
Sit beneath an oak. Walk through a birch grove. Notice the shape of the leaves, the texture of the bark, and the creatures that make their homes among the branches. Learn how the tree has been used historically and what folklore surrounds it.
You don’t have to believe that a tree is whispering a secret message into your ear – although if it does, do let us know!
The practice can simply be about slowing down, paying attention, and allowing symbolism and intuition to help you look at a question from a different perspective.
A Little Ancient Mystery for the Modern Witch
Ogham sits at an interesting crossroads between history and modern spirituality. Historically, it was a writing system carved into stones and used to record language. In modern witchcraft and Pagan practice, it has become a tool for reflection, meditation, nature connection, and divination.
The important thing is to understand the difference between the two.
We don’t need to claim that ancient Celts used Ogham exactly as modern witches do in order to appreciate its beauty. In fact, knowing the history can make the practice even more meaningful.
Whether you draw a single stave in the morning, use a full spread to ponder a complicated question, or simply wander through the woods and contemplate the trees around you, Ogham offers a wonderful reminder that wisdom can sometimes be found in unexpected places.
And sometimes, the best answer to a question isn’t hidden in the future at all.
Sometimes it’s growing quietly in the forest.