Myheir is a modern American coinage made from the English phrase "my heir", declaring the child the family's "heir" and successor; it has no older etymology. It belongs with statement names like Messiah, Sincere and Legend that arose in the 2000s and 2010s. Myheir appeared only sporadically before 2021, jumped to number 2056 in 2022 and ranks number 2070 in 2025.