Hereditary number 1: the meaning
The image that goes with it is that of a lineage where people count first on their own strength: someone who left the village to try their luck, a craftsperson who set up on their own, a grandmother who ran a farm almost without help, parents who refused the path laid out for them.
A hereditary number 1 places your surname under the sign of initiative. These are only images; your actual story may be very far from them. What matters is the state of mind that circulates.
In this climate, autonomy passes for a basic quality. The child who finds the solution alone is congratulated, the one who dares is admired. Decisions are made quickly, often by one person, and people dislike owing anything to anyone. Drive is rated higher than caution.
You probably receive from it a deep confidence in your ability to act. Faced with an unfamiliar situation, your reflex is not to wait for someone to explain: you try. This boldness is no trait fallen from the sky; it was encouraged, sometimes demanded, long before you could choose it.
The hereditary 1 combines with your other numbers. With a first name that is a 2 or a 6, it creates an interesting tension between the wish to decide for yourself and the need to work with others. With a first name that is a 1, 5, or 8, it strengthens an independent trajectory, at the risk of making it lonely.
What remains is to sort through what you keep from this inheritance: the freedom to undertake things, without the obligation to carry everything by sheer strength of arm.