Seamus McFly

Marty's great-grandfather

Marty's great-grandfather, a young man running the McFly farm in 1885. He operates a farm in the wilderness, has a calm personality without any cowardly traits, just an ordinary young man. He is in an adversarial relationship with the town bully Buford Tannen.

Quotes

  • You don't have to deal with a guy like that. No one will laugh at you if you ignore him and walk away.
  • You're playing by his rules; you've been dragged into his game.

Trivia

  • Seamus bears a striking resemblance to Marty, emphasizing Irish-American features.
  • Maggie looks just like Marty's mother Lorraine because Lee Thompson played both roles.
  • Deepens the McFly family history through the relationship with a bully resembling Buford Tannen.
  • Foreshadowing of the romance with Clara Clayton already exists early in 1885.
  • Seamus was provoked by Buford but wisely urged Marty to stay calm with advice before the duel.

Alternate names

Seamus McFly Seamus

Tags

Profile

Species
Human
Gender
Male
Birth year
Mid-1800s

Appearance

Overall appearance
A young man with a beard and facial features identical to Marty's. Possesses Irish-American characteristics, blending strength with a sense of warmth.
Eye color
Brown
Hair color
Brown
Distinguishing features
  • Has a beard
  • Facial features similar to Marty
  • Speaks with an Irish accent
Iconic items
  • Farm hat
  • Farm tools
  • Farm shack barn

Personality and abilities

Core personality
Composure
Detailed personality
Seamus is a young man with considerable composure, deeply family-oriented and strongly kind-hearted. While not a coward, he possesses the冷静さ to avoid unnecessary fights. He advises Marty to act wisely without falling for the provocations of the bully Buford Tannen.
Keywords
  • Composure
  • Kindness
  • Family-oriented
  • Calm
  • Agriculture
  • Has courage but avoids pointless conflicts
Motto
You don't need to deal with a guy like that. Don't take the bait; go your own way.
Talents
  • General agriculture
  • Livestock handling
  • Mediation and negotiation
  • Crisis management
Skills
  • Farm management
  • Problem solving
  • Observation of people
Motivation
Protecting the safety of his family and the prosperity of the farm. Avoiding unnecessary conflicts and providing a stable life for his family.
Habits
Extremely kind to family and friends, tolerant even toward strangers. Gives calm advice to Marty when he is challenged to a duel.
Favorite foods
Traditional Irish cuisine, Local ingredients
Favorite places
McFly farm, Outskirts of Hill Valley
Hobbies
Farm work, Dinner with family
Disliked situations
Pointless conflicts, Injustice, Putting family in danger

History

Backstory
An Irish immigrant who settled in the wilderness of Hill Valley and pioneered the McFly farm. Often in conflict with the town bully Buford Tannen's family, yet protects his family and runs the farm as an ordinary young man. One day in 1885, Marty time-travels in and he accommodates him in the barn, but later becomes involved in a duel with Buford. Overcomes the duel through Marty's ingenuity, later marries Clara Clayton, leading to the farm's operations in later generations.
Work title
Back to the Future Part III
Media type
Movie

Marty's Arrival

Significant event
Marty's Arrival
Description
Welcomed Marty, who arrived from the future in 1885, to the farm, cared for him, and provided the barn as lodging.

Challenge to Duel

Significant event
Challenge to Duel
Description
Gave calm counsel to Marty, who was provoked by Buford Tannen and agreed to a duel, advising him to avoid unnecessary conflict.

Duel and Victory

Significant event
Duel and Victory
Description
Witnessed the duel between Marty and Buford, and saw Marty's victory.

Relationship with Clara Clayton

Significant event
Relationship with Clara Clayton
Description
Later married Clara Clayton, who becomes Doc Brown's wife, and has two sons, Jules and Verne.

Relationships

William McFly

Child

Seamus's eldest son and the first American-born descendant. Young but takes a liking to Marty.

Maggie McFly

Spouse

Beloved wife and Marty's great-grandmother. Has facial features similar to Lorraine.

Marty McFly

Descendant

Descendant from the future; provided kind support by offering lodging in the barn and advice during the duel.

McFly family

McFly family: leader

Media appearances

Back to the Future Part III

Movie / Supporting

Released in 1990

Voice cast and creators

山寺宏一

Voice actor
山寺宏一
Language
Japanese
Version or series
PART3

Michael J. Fox

Voice actor
Michael J. Fox
Language
English
Version or series
PART3

Bob Gale

Creator name
Bob Gale
Role
Original author

Robert Zemeckis

Creator name
Robert Zemeckis
Role
Director

Related goods

Seamus McFly Figure

Item name
Seamus McFly Figure
Category
Figure
Availability
Regular