LeRoy dad was a Whitaker for his first marriage and then turned to Westley for his second but died a Whitaker acc/to his DC filled out by his wife.His headstone is Westley so he changed his name for some reason.
He even had two sons with same name, one with first wife named Herschel Whitaker and another with second wife Viola, name Herchel Westley.

[changed his name for some reason from Earl Herchel to LeRoy Earl]
Birth Rec for EARL Herchel AND LEROY Earl WESTLEY:
Born name:Earl H Westley gender:Male birth date:24 Dec 1909 birthplace:Ada Co Idaho race:White
parents:Clarence Herchel Westley aka Thomas Ephriam WHITAKER
father's birthplace: Utah father's age: 34
mother's name: Viola Una Lewis Westley mother's birthplace: Utah mother's age: 21
indexing project (batch):C73336-1 system origin:Idaho-EASy
source film number: 1509774 reference number: p 215 cn 362

1910 United States Federal Census about Herchel Westley
Age in 1910: 4/12 Birth Year: 1908 Birthplace: Ada Co ID
Home 1910: Boise, Ada, Idaho Race: White Gender: Female
Relation to Head of House: son Marital Status: single
Father's Birthplace: Utah Mother's Birthplace: Utah
Household Members: Name Age
Clarence Westley 33
Viola U Westley 20
Russell Westley 2 1908 UT
Herchel Westley 4/12 1909 UT

1920 US Fed Census Sterling Bingham Idaho Race:White Gender: male Relation to Head of House: son
Able to read: Yes Able to Write: Yes
Household Members: Name Age
Clarence H Westley 45
Viola Westley 29
Russell C Westley 11 1909
Leroy E Westley 10 1910
Arnel O Westley 6 1904
Clarence Westley 4 1/12 1906 s/b Tarrance
Meta A Westley 1 5/12 1909

1930 US Fed Census Brigham Box Elder Utah Marital Status: single Relation to Head of House:son
Household Members: Name Age
Clarence H Westley 55 Memorial# 65988813
Viola U Westley 39 Memorial# 13491827
Russell C Westley 22 14467381
Leroy E Westley 20 14472492
Ariail O Westley 16 14467375
Tarrence L Westley 14 14467385
Meta A Westley 11 13731553

+Lucile Elizabeth Fawson 10 Dec 1931 Logan Cache UT b Oct 19 1910 d Sep 1 1995 burial Brigham City Cem Brigham City Box Elder Co Utah

Children Leroy Westley & Lucille Fawson 3 kids
Clarence Westley 29 Oct 1932 – 30 May 1986
Joyca Westley 5 Dec 1933 – 9 June 1938
LeRoy Westley 15 Dec 1934

Death Rec
United States Social Security Death Index
name: Leroy Earl Westley gender: Male birth date: 24 Dec 1909 birthplace: Ada County, Idaho
race: White death: 7 November 1988 Box Elder County Utah
parents:Clarence Herchel Westley aka Thomas Ephriam WHITAKER
father's birthplace: Utah father's age: 34
mother's name: Viola Una Lewis Westley
mother's birthplace: Utah mother's age: 21
indexing project (batch):C73336-1 system origin:Idaho-EASy
source film number:1509774 reference number:p 215 cn 362