Cemetery records lists this as a cremation and that he was a veteran.

Parents: Frank Moffett Sigler, Emma Louise Bagley Sigler Crane
Spouse: Ruth Adellia Behrens Sigler

U.S. World War II Army Enlistment Records, 1938-1946 Record
about Kenneth W Sigler
Name: Kenneth W Sigler
Birth Year: 1914
Race: White, citizen
Nativity State or Country: Iowa
State: Iowa
County or City: Polk

Enlistment Date: 18 Feb 1943
Enlistment State: Iowa
Enlistment City: Camp Dodge Herrold
Branch: Branch Immaterial - Warrant Officers, USA
Branch Code: Branch Immaterial - Warrant Officers, USA
Grade: Private
Grade Code: Private
Term of Enlistment: Enlistment for the duration of the War or other emergency, plus six months, subject to the discretion of the President or otherwise according to law
Component: Selectees (Enlisted Men)
Source: Civil Life

Education: Grammar school
Marital Status: Married
Height: 69
Weight: 145

Kenneth W Sigler
in the Iowa, World War II Bonus Case Files, 1947-1954
Name: Kenneth W Sigler
Birth Date: 20 Mar 1914
Birth Place: Centerville, Iowa
Application Date: 13 May 1949
Application Place: Des Moines, Iowa, USA

Keneth Sigler
in the 1920 United States Federal Census
Name: Keneth Sigler
Age: 5
Birth Year: abt 1915
Birthplace: Iowa
Home in 1920: Des Moines Ward 7, Polk, Iowa
Street: 23 St
Race: White
Gender: Male
Relation to Head of House: Son
Marital Status: Single
Father's name: Proffet Sigler
Father's Birthplace: Indiana
Mother's name: Emma Sigler
Mother's Birthplace: Iowa
Able to Speak English: Yes
Attended School: Yes
Neighbors: View others on page
Household Members:
Name Age
Proffet Sigler 46
Emma Sigler 37
Lavetta Sigler 14
Keith Sigler 10
Keneth Sigler 5
Perlina Anderson 73

Willard K Sigler
in the 1930 United States Federal Census
Name: Willard K Sigler
Birth Year: abt 1914
Gender: Male
Race: White
Birthplace: Iowa
Marital Status: Single
Relation to Head of House: Stepson
Home in 1930: Des Moines, Polk, Iowa
Map of Home: View Map
Street address: Lincoln Street
Ward of City: First
Block: 179
House Number in Cities or Towns: 3103
Dwelling Number: 522
Family Number: 539
Attended School: Yes
Able to Read and Write: Yes
Father's Birthplace: Indiana
Mother's Birthplace: Iowa
Able to Speak English: Yes
Neighbors: View others on page
Household Members:
Name Age
Ellis E Crane 56
Emma L Crane 47
Willard K Sigler 16

Kenneth Sigler
in the 1940 United States Federal Census
Name: Kenneth Sigler
Age: 25
Estimated birth year: abt 1915
Gender: Male
Race: White
Birthplace: Iowa
Marital Status: Married
Relation to Head of House: Son
Home in 1940: Des Moines, Polk, Iowa
Map of Home in 1940: View Map
Street: 28 Street
House Number: 1236
Inferred Residence in 1935: Des Moines, Polk, Iowa
Residence in 1935: Same Place
Sheet Number: 15A
Occupation: Plasterer
Attended School or College: No
Highest Grade Completed: High School, 1st year
Class of Worker: Wage or salary worker in private work
Weeks Worked in 1939: 52
Income: 640
Income Other Sources: No
Neighbors: View others on page
Household Members:
Name Age
Ellis Crane 65
Emma Crane 57
Kenneth Sigler 25
Ruth Sigler 24
Helen Barrons 19

U.S., Department of Veterans Affairs BIRLS Death File, 1850-2010
Name: Kenneth Sigler
Gender: Male
Birth Date: 20 Mar 1914
Death Date: 19 Apr 1987
Branch 1: ARMY
Enlistment Date 1: 25 Feb 1943
Release Date 1: 29 Oct 1945