Open Lore NetworkOLN

ExploreTimelinePeoplePlacesFactionsMediaCommunityExpressionNew

Explore Timeline People Places Factions MediaCommunityExpressionNew

OLN›Halo›Characters›O Reilly

In Google Search

Browse the networkFilms Series People Characters On This Day Films by year Series by year

Connected Knowledge. Shared Canon.Credits Terms of Service Privacy Policy Licensing Content Policy Child Safety Powered by the OLN Graph

Quick Facts

Genderfemale—Male

Also known asO'Reilly, T. O'Reilly

HaloCHARACTERCurate Graph

Character

Thelma O'Reilly

Halo·UNSC·U.S. botanist

Thelma O'Reilly is a botanist.

botanist

Explore this entityJump to key sections about Thelma O'Reilly.

TimelineLife & Events AppearancesWhere They Appear Key SourcesReferences & Media RelationshipsConnected Entities Community NotesDiscussion & Insights Community CurationFor Contributors

Relationships

Key people, factions, places, and events connected to Thelma O'Reilly.

View all relationships

FACTIONS

UNSCAffiliations UNSC Marine CorpsAffiliations United Nations Space CommandAffiliations

Identity

Rank: Drill Sergeant
Occupation: botanist

Appearance

Gender: female—Male

Affiliations

Affiliations: UNSCUNSC Marine CorpsUnited Nations Space Command

Abilities & Equipment

Weapons: M6 Pistol

Other

Type: character

Sources

halo.fandom.com — O'Reilly
Wikidata — Q21338833

Community Notes

Discussion, insights, and theories from contributors.

Coming soonCommunity notes are coming soon — a place to discuss and annotate this entity.

Community Curation

This page is maintained and fact-checked by volunteer editors.

Coming soonCuration provenance (last reviewed · contributors) will surface here soon.