Nicknames for Gillian
3 nicknames, sorted by where they actually get used.
Office-safe
Gill
formal
Jill
formal
Playground-friendly
Gilly
casual
Gillian carries 3 documented short forms — Gill, Gilly, and Jill — drawn from its English-origin roots. The list splits into 2 office-safe picks and 1 playground-friendly option so you can match the moment.