en.wikipedia.org/wiki/Fictitious_defendants

A fictitious defendant is a person that cannot be identified by the plaintiff before a lawsuit is commenced. Commonly this person is identified as "John Doe" or ...

www.avvo.com/legal-answers/what-does--does-1-to-25--mean--1097570.html

"Does [which is plural for "Doe"] 1-25" simply refers to any defendants whom .... These are the defendants the plaintiff does not yet know about.

www.nfsesq.com/resources/how-to-add-a-doe-defendant-to-a-complaint

For example, even in a rear-end car crash case where the injured person knows the name of the driver, it is often prudent to add some DOE defendants.

oag.ca.gov/system/files/attachments/press_releases/n1488_brown_sues_pacifistaff_complaint.pdf

Nov 6, 2007 ... 23 including the Doe defendants, named in this complaint. 24 .... (Against Defendants PacifiStaff, Inc., Bruce Bowen, and Does 1-50, inclusive).

michaelreiterlaw.wordpress.com/2012/04/18/fictitious-defendants-in-federal-u-s-district-court-for-the-central-district-of-california

Apr 18, 2012 ... The use of Doe (fictitiously named defendants) in federal questions ... which you will commonly see in a caption (such as “Doe 1” or “Does 1-50, ...

www.foxnews.com/projects/pdf/Hastings_complaint.pdf

The true names and capacities of the Defendants, DOES 1 through 50, whether individual, ... Defendants DOES 1-50 are herein sued under fictitious names.

forum.wordreference.com/threads/indictment-does-1-through-50-inclusive.3232655

Sep 25, 2016 ... I grew up in US. English (American). Perhaps there is a list of persons, no names, 1. the maid, 2., the butler, etc. So they are DOES 1-50.

voiceofsandiego.org/wp-content/uploads/2014/01/Harrell-and-Robinson-Lawsuit-Against-SDPD.pdf

individual, CARLOS HERNANDEZ, an individual, MATTHEW DOBBS, an individual, DORINDA DODD, an individual, and DOES 1-50, inclusive. Defendants.

scholarship.law.berkeley.edu/cgi/viewcontent.cgi?article=1444&context=californialawreview

defendants after the statute of limitations applicable to the new defendants has run. ..... Doe defendants who obfuscate in order to prevent the plaintiff from ascer- .