William Hamilton — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Denver-County, Colorado

Our Model Tree links this William Hamilton across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents S — first a head (b.~1901), then head of a 4-person household.

Age 39 b. ~1901 Male Head Born: Oregon Married

1940 Census Record Details

Census Year	1940
Location	Denver-County, Colorado
Surname	Hamilton
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Denver
1935 Residence (County)	Denver
Additional Details
Occupation	Cutter
Industry	Optical
Class of Worker	PW
Hours Worked	42
Income (1939)	1500
Highest Grade	No 8
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Occupation	Cutter
Township / Ward	Denver
Est. Birth Year	~1901

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to William	Age	Birth yr
William Hamilton	Head	—	39	~1901
William Hamilton	Son	—	9	~1931
Jack Hamilton	Son	—	11	~1929
Marion Hamilton	Spouse	—	36	~1904

Census Appearances

1920

Denver, Colorado

Son, age 17

Denver, Colorado · implied b. ~1903 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	William J.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	United States
Mother's Birthplace	Oregon
Occupation	Optician
Industry	Optical Co.
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Denver, Colorado

Head, age 29

Denver, Colorado · implied b. ~1901 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Oregon
Age at First Marriage	23
Father's Birthplace	Oregon
Mother's Birthplace	Oregon
Occupation	bus grinder
Industry	optical co
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1500
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Denver-County, Colorado

Head, age 39

Denver-County, Colorado · implied b. ~1901 — 4 household members

Surname	Hamilton
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Denver
1935 Residence (County)	Denver
Occupation	Cutter
Industry	Optical
Class of Worker	PW
Hours Worked	42
Income (1939)	1500
Highest Grade	No 8
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Model Tree available

Our Model Tree links William Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother S Hamilton (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

S Hamilton

b. ~1872

Source mother

● Household · direct · ~0.92

This person

Anchor record

William Hamilton

Head · 1940 · age 39 · b. ~1901 · Colorado

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Denver-County, Colorado Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00486-00828)

Line	Name	Age	Relation	Occupation	Birthplace
1	Bernice Hagen	23	Daughter	Filing Clerk	Colorado
2	Beatrice Hagen	23	Daughter	—	Colorado
3	William Funkhouser	26	Head	—	Colorado
4	Anna Funkhouser	22	Wife	Rubber Worker	Nebraska
5	Donald Funkhouser	4	Son	Housewife	Colorado
6	Sharilyn Funkhouser	3	Daughter	—	Colorado
7	Shelia Funkhouser	1	Daughter	—	California
8	Michael O'Donnel	15	Head	—	Denver
9	Carrie Ford	64	Mother	Housewife	Illinois
10	—	None	—	—	—
11	Pora Halvorsen	51	Head	—	Illinois
12	Mylte Halvorsen	20	Daughter	Clerk	Colorado
13	Evelyn Halvorsen	17	Daughter	—	Wyom
14	Edwin Porter	32	Head	Roofer	Ohio
15	Pauline Porter	27	Wife	—	Utah
16	Dale Porter	8	Son	—	Denver
17	Cherie Porter	7	Daughter	—	Denver
18	Gary Porter	2	Son	—	Denver
19	William Hamilton THIS PERSON	39	Head	Cutter	Oregon
20	Marion Hamilton	36	Wife	Saleslady	Nebraska
21	Jack Hamilton	11	Son	—	Denver
22	William Hamilton	9	Son	—	Denver
23	Leslie Laird	44	Head	Route Man	Iowa
24	Florence Laird	42	Wife	—	Illinois
25	Glen Hayward	29	Head	Truck Driver	Colorado
26	Helen Hayward	25	Wife	Nurse	Colorado
27	Frank Klatt	38	Head	Drive Truck	Colorado
28	Berina Klatt	35	Wife	—	Colorado
29	Elberta Klatt	16	Daughter	—	Colorado
30	Robert Klatt	13	Son	—	Colorado
31	Edwin Klatt	3	Son	—	Colorado
32	Harold Wagner	28	Head	Salesman	Nebr
33	Doris Wagner	27	Wife	Clerical Work	Nebraska
34	Garret Tamminga	39	Head	Minister	New York
35	Dorothy Tamminga	38	Wife	Clerk	Penn
36	Kathrine Carnes	63	Mother in Law	—	Penn
37	Otto Kraft	42	Head	Traffic Manager	Illinois
38	Ellen Kraft	42	Wife	Housewife	Missouri
39	William Kraft	21	Son	Painter	Missouri
40	Rebecca Kraft	17	Daughter	—	Missouri

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Pedigree Summary

William

Gen 1 · 1 parents ~0.92

Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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