Casey

There was a railroad engineer named Jonathan Luther Jones who took the nickname Casey from the town of Cayce, Kentucky, and ran his train straight into American legend when he stayed at the throttle so his passengers could survive. The Irish surname behind the name is older: O Cathasaigh, meaning descendant of the vigilant one, a root built on watchfulness and readiness. Both the ballad and the etymology point the same direction.

The name has moved across gender lines with a fluency that predates the current era of unisex naming. It dipped its foot in boys' rolls first, then crossed over, and for decades now it has belonged to both without belonging to either in particular. Casey at the Bat gave it an American literary wink, and it has never fully lost that playful authority. It currently sits at rank 310, holding comfortable ground without making noise about it.

Two syllables, the stress on the first, a long a that keeps things bright — Casey lands clean and carries no cargo that might weigh a child down. Brothers and sisters alike find easy company in names like Kendall, Finley, and Harlow, the whole unisex cohort moving together with similar breezy energy. The child who grows into Casey is probably already comfortable in a room full of strangers before the parents have finished signing the school form, quick to laugh, quicker to catch on, the kind of person who makes the vigilant Irish root feel less like a duty and more like a gift.