James Hamilton — 1940 US Census Record

Model Tree available

1940 United States Federal Census · St.-Joseph-County, Michigan

Our Model Tree links this James Hamilton across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed), with identified parents Howard & Wanda — first a son (b.~1919), then head of a 4-person household.

Age 21 b. ~1919 Male Son Born: Michigan Single

1940 Census Record Details

Census Year	1940
Location	St.-Joseph-County, Michigan
Surname	Hamilton
Given Name	James P
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Sturgis city
1935 Residence (County)	St. Joseph
Additional Details
Hours Worked	0
Income (1939)	0
Highest Grade	C 1
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Sturgis City
Est. Birth Year	~1919

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 James	Age	Birth yr
Patricia Hamilton	Daughter	—	19	~1921
Howard Hamilton	Head	—	46	~1894
James Hamilton	Son	—	21	~1919
Wanda Hamilton	Spouse	—	40	~1900

Census Appearances

1920

St Joseph, …

Son, age

St Joseph, Michigan · implied b. ~1920 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	James Philip
Relationship to Head	Son
Sex	M
Color / Race	White
Age	0
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Indiana
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

St Joseph, …

Son, age 11

St Joseph, Michigan · implied b. ~1919 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	James D
Relationship to Head	Son
Sex	M
Color / Race	White
Age	11
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

St.-Joseph-County, Michigan

Son, age 21

St.-Joseph-County, Michigan · implied b. ~1919 — 4 household members

Surname	Hamilton
Given Name	James P
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Sturgis city
1935 Residence (County)	St. Joseph
Hours Worked	0
Income (1939)	0
Highest Grade	C 1
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Howard Hamilton

b. ~1894

Source father

● Household · direct · ~0.92

Mother

Wanda Hamilton

b. ~1900

Source mother

● Household · direct · ~0.92

This person

Anchor record

James Hamilton

Son · 1940 · age 21 · b. ~1919 · Michigan

★ You are viewing this record

Sibling

Patricia Hamilton

Sibling · 1940 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1940 US Federal Census — St.-Joseph-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01817-00470)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary P Harrington	23	Wife	—	Connecticut
2	Lila D Lippoley	72	Head	—	Illinois
3	Cora M Schubach	70	Head	—	Michigan
4	Carlton G Perry	41	Head	Teacher	Michigan
5	Louise B Perry	40	Wife	—	Michigan
6	Martha Perry	9	Daughter	—	Michigan
7	Phillip Perry	1	Son	—	Michigan
8	Paul V Yoder	48	Head	Office Worker	Indiana
9	Florence Yoder	45	Wife	Nurse	China
10	Paul P Yoder	19	Son	—	Illinois
11	Eugene R Yoder	17	Son	—	Indiana
12	David C Clarke	63	Head	—	England
13	Ada Clarke	63	Wife	—	England
14	William Sandman	42	Head	Designer	Netherlands
15	Beatrice Sandman	42	Daughter	—	England
16	Harold B Freeland	45	Head	Executive	Michigan
17	Florence Freeland	43	Wife	—	Michigan
18	Jean Freeland	20	Daughter	Office Worker	Michigan
19	James Freeland	17	Son	Handyman	Michigan
20	Harold B Freeland	14	Son	—	Michigan
21	William D Freeland	11	Son	—	Michigan
22	Peter Radebaugh	86	Head	—	Ohio
23	Elizabeth Clark	23	Partner	—	Michigan
24	Beatrice Mcclave	53	Head	—	Michigan
25	Gerald Tupper	26	Head	Foreman	Michigan
26	Helen Tupper	24	Wife	Packer	Michigan
27	Wallace Tupper	6	Son	—	Michigan
28	Warren Garrison	35	Brother in law	Carpenter	New York
29	Muriel Garrison	34	Sister	—	Michigan
30	Mary C Schermerhorn	59	Head	—	Michigan
31	Della Richter	70	Head	—	Ohio
32	Andrew F Pierucki	42	Head	Laborer	Michigan
33	Beatrice Pierucki	38	Wife	Finisher	Colorado
34	Howard Pierucki	15	Son	—	Michigan
35	Harold Pierucki	17	Son	—	Michigan
36	Arra Forrest	60	Mother in law	—	Michigan
37	Howard B Hamilton	46	Head	Accountant	Michigan
38	Wanda Hamilton	40	Wife	—	Indiana
39	James P Hamilton THIS PERSON	21	Son	—	Michigan
40	Patricia Hamilton	19	Daughter	Office Work	Michigan

Search for James Hamilton

All James Hamilton Census Records Discover Hamilton Family Tree

Pedigree Summary

James + 1 sibling

Gen 1 · 2 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)

Report inaccurate data