Baby name
Jay
/JAY/
Meaning
“Heel-grabber or supplanter”
English diminutive of Jacob, James, Jayden, etc., or nature name from the jaybird.
How it ages.
Short masculine default; used as standalone since 1950s but never dominant; increasingly used as nickname prefix.
The cultural moment.
US and UK show modest plateau 2000-2025; Australia increasing slightly; not trending but sustaining.