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Katherine "Katie" Abbott is a fictional character on the CBS daytime soap opera The Young and the Restless.
Actress History:[]
- Kennedy & Reese Staib (11/2014-06/2016; recurring)
- Sienna Mercuri (07/2016-07/2021; recurring)
Other Information:[]
- Born (on-screen) November 17, 2014
- Katherine Rose Newman Abbott (full name)
Family:[]
Parents:[]
- William "Billy" Abbott (father)
- Victoria Newman (mother)
Sibling(s):[]
- Claire Grace (maternal half-sister)
- Reed Hellstrom (maternal half-brother)
- Cordelia "Delia" Abbott (paternal half-sister, deceased)
- John "Johnny" Abbott IV (paternal half-brother/adoptive brother)
Other relatives:[]
- John Abbott Sr. (paternal grandfather, deceased)
- Jill Fenmore (paternal grandmother)
- Victor Newman Sr. (maternal grandfather)
- Nicole "Nikki" Reed (maternal grandmother)
- John "Jack" Abbott Jr. (paternal uncle)
- Traci Abbott (paternal aunt)
- Phillip Chancellor III (paternal uncle)
- Dylan McAvoy (maternal uncle)
- Nicholas "Nick" Newman (maternal uncle)
- John Abbott III (maternal uncle/paternal cousin, deceased)
- Victor "Adam" Newman Jr. (maternal uncle)
- Abigail "Abby" Newman (maternal aunt)
- Faith Newman (maternal aunt, deceased)
- Keemo Nguyen (paternal cousin, deceased)
- Kyle Abbott (paternal cousin)
- Colleen Carlton (paternal cousin, deceased)
- Phillip "Chance" Chancellor IV (paternal cousin)
- Cassidy "Cassie" Newman (maternal adopted cousin, deceased)
- Noah Newman (maternal cousin)
- Summer Newman (maternal cousin)
- Faith Newman (maternal cousin)
- Riley Newman (maternal cousin, deceased)
- Connor Newman (maternal cousin)
- Christian Newman (maternal cousin)
- Ava Spectra (maternal cousin, deceased)
- Dominic Chancellor (maternal cousin/paternal adopted first cousin once removed)
- Allie Nguyen (paternal first cousin once removed)
- Harrison Locke (paternal first cousin once removed)
- Robert Abbott (paternal great-grandfather, deceased)
- Unknown woman (paternal great-grandmother, deceased)
- Neil Fenmore (paternal biological great-grandfather, deceased)
- Unknown woman (paternal biological great-grandmother, deceased)
- William "Bill" Foster Sr. (paternal adoptive great-grandfather, deceased)
- Elizabeth "Liz" Henderson (paternal adoptive great-grandmother, deceased)
- Albert Miller (maternal great-grandfather, deceased)
- Cora Miller (maternal great-grandmother, deceased)
- Nicholas "Nick" Reed (maternal great-grandfather, deceased)
- Barbara Reed (maternal great-grandmother, deceased)
- Ivan Abbott (paternal great-uncle, deceased)
- Lauren Fenmore (paternal biological great-aunt)
- William "Snapper" Foster Jr. (paternal adoptive great-uncle)
- Gregory "Greg" Foster (paternal adoptive great-uncle)
- Matthew "Matt" Miller (maternal great-uncle)
- Cassandra "Casey" Reed (maternal great-aunt)
- Scott Grainger Jr. (paternal biological second cousin)
- Fenmore "Fen" Baldwin (paternal biological second cousin)
- Pierre "Chuckie" Roulland (paternal adoptive second cousin)
- Jennifer Foster (paternal adoptive second cousin)