Helder is a Portuguese given name, derived from the Portuguese word 'helder', which means clear or bright. This name gained popularity during the Age of Discoveries due to its association with the Portuguese explorer Fernão de Magalhães (Ferdinand Magellan), who was known as 'O Capitão Heldérico' among his crew. The name Helder is also used in Brazil and other Lusophone countries, contributing to a diverse and vibrant cultural heritage shared among these nations.
The name Helder appears to have had periods of popularity with a peak in the late 1970s and early 1980s, with at least 6 births annually from 1970 to 1985. After a decline in the mid-80s, its popularity fluctuated between 5 to 9 births per year until the early 2000s. Since then, it has consistently maintained around 5 to 8 births yearly, with a notable spike of 11 births in 2005. The most recent years (2018-2021) show a consistent 5 or 6 births annually. Over the entire period from 1970 to 2021, there were a total of 230 births with this name.