Jack Moore — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Yolo-County, California

Our Model Tree links this Jack Moore across the 1930 and 1940 US Censuses in Yolo-County, California (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 5-person household.

Age 24 b. ~1916 Male Son Born: California Single

1940 Census Record Details

Census Year	1940
Location	Yolo-County, California
Surname	Moore
Given Name	Jack
Relationship to Head	Son
Sex	M
Color / Race	White
Age	24
Marital Status	Single
Birthplace	California
1935 Residence (City)	Woodland
1935 Residence (County)	Yolo
Additional Details
Occupation	Partner
Industry	Farm
Class of Worker	PW
Hours Worked	4
Income (1939)	866
Highest Grade	No 4-8
1935 Residence	Same house
Birth State	California
Birth Country	United States
Birthplace (normalized)	california
Occupation	Partner
Township / Ward	Woodland
Est. Birth Year	~1916

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.

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

Name	Relation to head	Relative to Jack	Age	Birth yr
Jack Moore	Son	—	24	~1916
Betty Mott	Daughter	—	21	~1919
Mamie Moore	Spouse	—	47	~1893
Lee Moore	Head	—	51	~1889
Robert Moore	Son	—	21	~1919

Census Appearances

1930

Yolo, California

Son, age 14

Yolo, California · implied b. ~1916 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Moore
Given Name	Jack
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	California
Father's Birthplace	California
Mother's Birthplace	California
Occupation	none
Can Read/Write	Yes
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

1940

Yolo-County, California

Son, age 24

Yolo-County, California · implied b. ~1916 — 5 household members

Surname	Moore
Given Name	Jack
Relationship to Head	Son
Sex	M
Color / Race	White
Age	24
Marital Status	Single
Birthplace	California
1935 Residence (City)	Woodland
1935 Residence (County)	Yolo
Occupation	Partner
Industry	Farm
Class of Worker	PW
Hours Worked	4
Income (1939)	866
Highest Grade	No 4-8
1935 Residence	Same house
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

Model Tree

Linked across censuses

Our Model Tree links Jack Moore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Jack Moore

Son · 1940 · age 24 · b. ~1916 · California

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Sibling

Betty Mott

Sibling · 1940 · age 21

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Robert Moore

Sibling · 1940 · age 21

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 — Yolo-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00366-00635)

Line	Name	Age	Relation	Occupation	Birthplace
1	Augustine Wood	63	Lodger	—	California
2	Masaki Yamagumi	40	Head	Farmer	Japan
3	Suyezo Yamagumi	39	Wife	—	Japan
4	Akira Yamagumi	19	Son	—	California
5	Akira Yamagumi	17	Son	—	California
6	Lee Moore	51	Head	Partner	California
7	Mamie G Moore	47	Wife	—	California
8	Jack Moore THIS PERSON	24	Son	Partner	California
9	Robert Moore	21	Son	—	California
10	Betty Mott	21	Daughter	—	California
11	Harry Hellstrom	49	Head	Airplane Mechanic	Sweden
12	Ramie A Hellstrom	42	Wife	—	Texas
13	Douglas R Hellstrom	17	Son	—	California
14	Leola Hellstrom	13	Daughter	—	California
15	Barbara Hellstrom	5	Daughter	—	California
16	Amiel G Parson	55	Head	—	California
17	Ruby J Parson	40	Wife	Saleswoman	Kentucky
18	Lester G Moore	18	Step-son	—	Oklahoma
19	Robert Moore	14	Step-son	—	California
20	Leslie Ray Ramos	24	Head	Butcher	California
21	Fay Ramos	25	Wife	—	California
22	James Ray Ramos	2	Son	—	California
23	Dorothy Hardin	22	Lodger	Dietician'S Helper	Kansas
24	Dennis Collins	61	Head	Warehouseman	California
25	Frieda Collins	36	Wife	—	Washington
26	Richard Collins	13	Son	—	California
27	Lloyd Roach	40	Head	Partner	California
28	Gladys Roach	33	Wife	House Maid	Kansas
29	Douglas Roach	10	Son	—	California
30	Nellie Van Lew	73	Head	—	California
31	Dewey Simmons	40	Head	Janitor	California
32	Annie Simmons	37	Wife	Janitress	California
33	George Simmons	9	Son	—	California
34	Joanne Simmons	5	Daughter	—	California
35	Oliver Pehmer	47	Head	Telegrapher	Pennsylvania
36	Leola Pehmer	46	Wife	Prop. Store	England
37	Daniel M Pehmer	18	Son	New Worker	California
38	Rachel Rodgers	69	Head	—	Indiana
39	Waldemar Stow	37	Head	Bakery Wagon Driver	U.S.S.R.
40	Robert F Morris	25	Partner	Auto Racing	California

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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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