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Ralph Lewis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Yolo-County, California

Our Model Tree links this Ralph Lewis across the 1930 and 1940 US Censuses in Yolo-County, California (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.

Age 10 b. ~1930 Male Son Born: California Single

1940 Census Record Details

Census Year	1940
Location	Yolo-County, California
Surname	Lewis
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	California
1935 Residence (City)	Broderick
1935 Residence (County)	Yolo
Additional Details
Highest Grade	No 4
1935 Residence	Same house
Birth State	California
Birth Country	United States
Birthplace (normalized)	california
Township / Ward	Broderick
Est. Birth Year	~1930

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.

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

Name	Relation to head	Relative to Ralph	Age	Birth yr
Adelle Lewis	Daughter	—	13	~1927
Catherine Lewis	Daughter	—	19	~1921
Ernest Lewis	Son	—	16	~1924
Ralph Lewis	Son	—	10	~1930
Archie Lewis	Head	—	48	~1892
Walter Lewis	Son	—	7	~1933
Harold Lewis	Son	—	17	~1923
Donald Lewis	Son	—	22	~1918
Hazel Lewis	Spouse	—	45	~1895

Census Appearances

1930

Sacramento, California

Son, age

Sacramento, California · implied b. ~1930 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Ralph E.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	0
Marital Status	Single
Birthplace	California
Father's Birthplace	Mass.
Mother's Birthplace	Canada Eng.
Occupation	none
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

1940

Yolo-County, California

Son, age 10

Yolo-County, California · implied b. ~1930 — 9 household members

Surname	Lewis
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	California
1935 Residence (City)	Broderick
1935 Residence (County)	Yolo
Highest Grade	No 4
1935 Residence	Same house
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

Model Tree

Linked across censuses

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

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This person

Anchor record

Ralph Lewis

Son · 1940 · age 10 · b. ~1930 · California

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Sibling

Walter Lewis

Sibling · 1940 · age 7

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Ernest Lewis

Sibling · 1940 · age 16

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Donald Lewis

Sibling · 1940 · age 22

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Catherine Lewis

Sibling · 1940 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Adelle Lewis

Sibling · 1940 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Harold Lewis

Sibling · 1940 · age 17

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-t0627-00366-00422)

Line	Name	Age	Relation	Occupation	Birthplace
41	Adam G. Keck	67	Head	—	Norway
42	Frank P. Huber	73	Head	—	Missouri
43	H. E. Mcmahon	66	Head	—	Wisconsin
44	Bernard C. Huffman	80	Head	—	New York
45	Walter M. Gibsons	34	Head	Mechanic	New York
46	Mortimer W. Mason	58	Head	—	Mississippi
47	Vincent De Riso	71	Head	—	Italy
48	Ida S. De Riso	70	Wife	—	Vermont
49	John A. Miller	47	Head	Plumber	California
50	Glenn J. Miller	9	Son	—	California
51	Frank Quinn	33	Head	Cook	Texas
52	George W. Powell	29	Brother-in-law	Janitor	Texas
53	Julian Powell	28	Wife	—	Texas
54	Archie C. Lewis	48	Head	Clerk	California
55	Hazel Lewis	45	Wife	—	California
56	Donald Lewis	22	Son	Guide	California
57	Catherine Lewis	19	Daughter	—	California
58	Harold Lewis	17	Son	—	California
59	Ernest Lewis	16	Son	—	California
60	Adelle Lewis	13	Daughter	—	California
61	Ralph Lewis THIS PERSON	10	Son	—	California
62	Walter Lewis	7	Son	—	California
63	Walter J. Leinberger	49	Head	Butcher	California
64	Zetta D. Leinberger	38	Wife	—	California
65	William J. Leinberger	8	Son	—	California
66	Minnie Murphy	72	Mother-in-law	—	California
67	George Stoddard	41	Brother-in-law	Ranch Hand	California
68	Benjamin Grace	49	Head	Ranch Hand	Cape Verde Is.
69	Elfira Grace	49	Wife	—	Cape Verde Is.
70	John Grace	26	Son	Railroad	Massachusetts
71	Beatrice Grace	22	Daughter	—	California
72	Nellie Grace	20	Daughter	New Worker	California
73	May Grace	12	Daughter	—	California
74	Jimmie Grace	8	Son	—	California
75	Mary Grace	6	Daughter	—	California
76	Neville Horrell	32	Head	Stenographer	California
77	Claude Howard	40	Head	Laborer	California
78	Harriett Howard	41	Wife	—	California
79	Violet F. Breeding	20	Daughter	—	California
80	Howard Breeding	21	Son-in-law	Counterman	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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