An inheritance or something handed down from the past
Legacii is a modern creative spelling of the English word 'legacy.' It refers to a gift or property left in a will, or more broadly, the long-lasting impact of a person's life and achievements passed to future generations.
Less common today
Legacii isn't in the latest US Top 1000. It last peaked at #3,962 in 2022.
US births per 5-year period, 1990βpresent (SSA data).