Kalu, of African origin, particularly from Nigeria and other West African countries, is a unisex given name meaning 'strong' or 'hard'. It's often associated with the Igbo ethnic group in Nigeria, reflecting their rich cultural heritage and traditions.
"The name Kalu has seen an increase in popularity over the past decade, with a total of 33 babies named Kalu born between 2008 and 2023. The most popular years for the name were 2008 and 2023, each with 7 births."
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