John Silva — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Colusa-County, California

Our Model Tree links this John Silva across the 1920, 1930 and 1940 US Censuses in Colusa-County, California (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.

Age 42 b. ~1898 Male Head Born: Portugal Married

1940 Census Record Details

Census Year	1940
Location	Colusa-County, California
Surname	Silva
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Portugal
1935 Residence (City)	Williams
1935 Residence (County)	Colusa
Naturalization Status	Alien
Additional Details
Occupation	Laborer
Industry	City of Williams
Class of Worker	GW
Hours Worked	48
Income (1939)	1200
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Portugal
Birthplace (normalized)	portugal
Occupation	Laborer
Township / Ward	Williams
Est. Birth Year	~1898

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 John	Age	Birth yr
Shirley Silva	Daughter	—	18	~1922
Richard Silva	Son	—	17	~1923
Vera Silva	Spouse	—	35	~1905
John Silva	Head	—	42	~1898

Census Appearances

1920

Kern, California

Other, age 22

Kern, California · implied b. ~1898 — 18 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Silva
Given Name	John
Relationship to Head	Laborer
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Portugal
Father's Birthplace	Portugal
Mother's Birthplace	Portugal
Occupation	Laborer
Industry	Farm
Class of Worker	W
Can Read	No
Can Write	No
Speaks English	No
Mother Tongue	Portuguese
Birth Country	Portugal
Birthplace (normalized)	portugal

1930

Alameda Fairview …

Head, age 33

Alameda Fairview Precinct, California · implied b. ~1897 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Silva
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Portugal
Naturalization Status	Alien
Year of Immigration	1906
Age at First Marriage	25
Father's Birthplace	Portugal
Mother's Birthplace	Portugal
Occupation	Farmer
Industry	General
Class of Worker	OA
Can Read/Write	Yes
Mother Tongue	Portuguese
Home Owned/Rented	O
Veteran	No
Birth Country	Portugal
Birthplace (normalized)	portugal

1940

Colusa-County, California

Head, age 42

Colusa-County, California · implied b. ~1898 — 4 household members

Surname	Silva
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Portugal
1935 Residence (City)	Williams
1935 Residence (County)	Colusa
Naturalization Status	Alien
Occupation	Laborer
Industry	City of Williams
Class of Worker	GW
Hours Worked	48
Income (1939)	1200
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Portugal
Birthplace (normalized)	portugal

Model Tree

Linked across censuses

Our Model Tree links John Silva across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.

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This person

Anchor record

John Silva

Head · 1940 · age 42 · b. ~1898 · California

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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 — Colusa-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00194-00398)

Line	Name	Age	Relation	Occupation	Birthplace
1	Frank F. Kemp	58	Head	Maintenance Foreman	Illinois
2	Nora E. Kemp	55	Wife	—	Kansas
3	Frank Jr. Kemp	16	Son	—	Oregon
4	Theloda Coleman	33	Daughter	Librarian	Kansas
5	Kyle Coleman	10	Grandson	—	California
6	Karen Coleman	5	Granddaughter	—	California
7	Willard Stetson	26	Head	Salesman	California
8	Zella O. Stetson	27	Wife	—	Oregon
9	Floyd Kidd	67	Head	Broker	West Virginia
10	Laura B. Kidd	60	Wife	—	California
11	John Silva THIS PERSON	42	Head	Laborer	Portugal
12	Vera Silva	35	Wife	—	California
13	Shirley Silva	18	Daughter	—	California
14	Richard Silva	17	Son	—	California
15	Rene Higgins	45	Head	Mechanic	California
16	Clara Higgins	42	Wife	Ironer	California
17	Ray Higgins	14	Son	—	California
18	Irene Higgins	7	Daughter	—	California
19	Ernest Merry	48	Head	Janitor	South Dakota
20	Mary Graser	78	Head	—	Germany
21	Harry Harlan	53	Son-in-law	Merchant	California
22	Carolyn Harlan	50	Daughter	—	California
23	Sherman Gavin	39	Head	Highway Maintenance	Missouri
24	Mary Gavin	32	Wife	—	Washington
25	Kathryn Gavin	13	Daughter	—	California
26	Joy Gavin	12	Daughter	—	California
27	Jimmie Gavin	9	Son	—	California
28	Jessie Jean Gavin	1	Daughter	—	California
29	Edward Sandridge	60	Uncle	Carpenter	California
30	Edward Miller	68	Head	Bar Tender	California
31	Velma Miller	58	Wife	—	California
32	Charles Egbert	42	Head	Section Foreman	Utah
33	Melissa Egbert	38	Wife	—	Utah
34	Freda Egbert	20	Daughter	—	Idaho
35	Julia Egbert	18	Daughter	—	California
36	Kenneth Egbert	16	Son	—	California
37	Dorothy Egbert	14	Daughter	—	California
38	Jack Egbert	11	Son	—	California
39	Richard Egbert	9	Son	—	California
40	Jose Briseno	40	Head	Laborer	Mexico

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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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