Mia Halstead
- Reads 1,385
- Votes 23
- Parts 7
Ongoing31m
Last published Sun, Sep 28, 2025
Mia Halstead is the younger sister aged 16 years old of Will and Jay Halstead, who has cared for most her life.since the death of their father Mia moved in with Jay and Hailey.
A/N: This story is way before Jay left and Jay and Hailey are in a real romantic relationship. Also Will will be in a relationship with Natalie who is still in chicago.
All Rights Reserved
#10
upton
Join the largest storytelling communityGet personalized story recommendations, save your favourites to your library, and comment and vote to grow your community.
You may also like
Halstead's Daughter
Maisie Halstead is a 17-year-old girl born and raised in Chicago. Daughter of Jay Halstead and Hailey Upton, Niece of Will Halstead and Granddaughter of Hank Voight. Maisie is a cheeky and funny girl but also very stubborn like her father. She is basically a mini version of him. Maisie is wanting to join CFD once she graduates from high school to be a firefighter like her Uncle Kelly and Uncle Matt. How will her father react , when she doesn't show up at the district after school like she always does and when her call her, he finds out she is in the ER? Find out more when you read Halstead's DaughterComplete
Mini Halstead
Rachel Halstead, the younger sister of Will and Jay Halstead, is a rebellious 14 year old, care-free girl. She lived her life liberally with her father Pat, until he became brain dead. What happens when her older brothers, Will and Jay, become her legal guardians? Will she let them in after their distant relationship? Will they become the inseparable siblings they once were years ago? I do NOT own any of the characters or pictures, except Rachel Halstead and a few other characters I may make up. WARNING: This story contain non-sexual spankings. DON'T LIKE DON'T READ. Thank you!
Cassandra Halstead
What if Jay and Will Halstead has a sister? This story discusses mature topics, please read the warnings at the top of a chapter before you read it.
Just us
Will and Jay halsteads 15 year old sister can be a handful, especially when she's sneaking off to a party she shouldn't be going to, but maybe it wasn't her choice...Complete
Halstead Family
This is the story of Jay, Will and Ashley Halstead, these siblings lost their parents in a car accident when Ashley was 4, Will was 27 and Jay was 29, after that both brothers took full custody of Ashley. The little girl grew up being raised for her two big brothers, Intelligence Unit team, and ER team from Chicago Med. (also sometimes for the fire house 51 team)
Halstead Siblings One-shots
Some Halstead fanfictions. Will Halstead. Jay Halstead and Ashley Halstead. A bunch of stories, with Police and MedComplete
Poison Tree
The third Halstead sibling is a little on the younger side, and by little that means a lot, she's 15 to be exact. She lives with their father Pat, but his selfish ways are starting to rub off on her, and the two brothers won't let it go any further... -Chicago PD-Complete
The Meaning of Family
Hailey Upton-Halstead received a call while at work one day that she never thought she'd get. She had a little sister, barely 4 years old, abandoned at Chicago Med, beaten. Her mother had signed custody over to her and fled. Now she had a decision to make with her husband, Jay. Set starting towards the end of season 5; Hailey and Jay are married but no one in the unit (except Voight and Trudy) knows.Complete
F | Burning Love (One Chicago)
Alicia Halstead is the younger sister of Jay and Will Halstead. Alicia moved to Seattle when she was just nineteen to be a paramedic firefighter. This caused Will and Alicia to drift apart but Jay understood why she had to do it and this brought them closer together than ever. Now that Alicia has moved back to Chicago, she has joined firehouse 51 to cover on Ambulance 61 until they find a permanent paramedic - which is when she will move over to Truck 81. What happens when Alicia meets the elusive Doctor Connor Rhodes?Complete
The Long Haul
Jay witnesses an unhealthy family dynamic and brings his 16 year old sister to live with him. The sweet and innocent girl he remembers is now full of sarcasm and secrets. But there's never a mystery that Jay can't solve, and he's determined to get answers. AU, sisfic.Complete
Maisie Halstead is a 17-year-old girl born and raised in Chicago. Daughter of Jay Halstead and Hailey Upton, Niece of Will Halstead and Granddaughter of Hank Voight. Maisie is a cheeky and funny girl but also very stubborn like her father. She is basically a mini version of him. Maisie is wanting to join CFD once she graduates from high school to be a firefighter like her Uncle Kelly and Uncle Matt. How will her father react , when she doesn't show up at the district after school like she always does and when her call her, he finds out she is in the ER? Find out more when you read Halstead's Daughter
More detailsContent Guidelines