Clara Lewis — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Contra Costa, California

Our Model Tree links this Clara Lewis across the 1920 and 1930 US Censuses in Contra Costa, California (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.

Age 33 b. ~1897 Female Spouse Born: Portugal Married

1930 Census Record Details

Census Year	1930
Location	Contra Costa, California
Surname	Lewis
Given Name	Clara G
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Portugal
Naturalization Status	Alien
Year of Immigration	1906
Age at First Marriage	21
Father's Birthplace	Portugal
Mother's Birthplace	Portugal
Additional Details
Can Read/Write	Yes
Mother Tongue	Portuguese
Veteran	No
Birth Country	Portugal
Birthplace (normalized)	portugal
Township / Ward	Township 9
Est. Birth Year	~1897

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.

8 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Clara	Age	Birth yr
Ira Lewis	Son	—	7	~1923
Arthur Lewis	Son	—	6	~1924
Clara Lewis	Spouse	—	33	~1897
John Lewis	Son	—		~1930
Clara Lewis	Daughter	—	2	~1928
Mary Lewis	Daughter	—	1	~1929
Manuel Lewis	Head	—	33	~1897
Manuel Lewis	Son	—	4	~1926

Census Appearances

1920

Alameda, California

Spouse, age 22

Alameda, California · implied b. ~1898 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Clara
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Portugal
Year of Immigration	1914
Naturalization Status	Alien
Father's Birthplace	Portugal
Mother's Birthplace	Portugal
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Portuguese
Birth Country	Portugal
Birthplace (normalized)	portugal

1930

Contra Costa, …

Spouse, age 33

Contra Costa, California · implied b. ~1897 — 8 household members

Surname	Lewis
Given Name	Clara G
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Portugal
Naturalization Status	Alien
Year of Immigration	1906
Age at First Marriage	21
Father's Birthplace	Portugal
Mother's Birthplace	Portugal
Can Read/Write	Yes
Mother Tongue	Portuguese
Veteran	No
Birth Country	Portugal
Birthplace (normalized)	portugal

Model Tree

Linked across censuses

Our Model Tree links Clara Lewis across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Clara Lewis

Spouse · 1930 · age 33 · b. ~1897 · California

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

Original Census Page

1930 US Federal Census — Contra Costa, California Open full size

Page Contents

50 people indexed on this census page (ia:1930:californiacensus00reel114:0375)

Line	Name	Age	Relation	Occupation	Birthplace
51	Ilona Hill	29	Wife	None	Missouri
52	Lucille Hill	8	Daughter	None	Oklahoma
53	Iray Hill	5	Son	None	Oklahoma
54	Michael Dana	44	Head	Farm Hand	Mexico
55	Manuel Fredrick	68	Head	Physician	New York
56	Manuel S Lewis	33	Head	Farm Hand	Portugal
57	Clara G Lewis THIS PERSON	33	Wife	—	Portugal
58	Ira C Lewis	7	Son	None	California
59	Arthur J Lewis	6	Son	None	California
60	Manuel S Jr Lewis	4	Son	None	California
61	Clara G Lewis	2	Daughter	None	California
62	Mary Lewis	1	Daughter	None	California
63	John Lewis	0	Son	None	California
64	Jesus Orosco	44	Head	Labourer	Mexico
65	Virginia Orosco	41	Wife	None	Mexico
66	Jesus Orosco	20	Son	Labourer	Mexico
67	Bernardino Mesa	48	Head	Labourer	Mexico
68	Nels A Anderson	38	Lodger	Plumber	Sweden
69	Christian G Krausbruck	52	Lodger	Baker	Germany
70	Fred H Kessinger	62	Lodger	Laborer	Ohio
71	Arthur D Holbrook	34	Head	X Ray Operator	California
72	Mae M Holbrook	44	Wife	Physician	Canada Eng
73	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
74	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
75	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
76	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
77	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
78	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
79	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
80	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
81	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
82	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
83	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
84	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
85	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
86	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
87	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
88	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
89	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
90	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
91	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
92	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
93	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
94	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
95	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
96	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
97	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
98	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
99	Lucy C Osborn	71	Mother-in-law	Physician	Illinois
100	Lucy C Osborn	71	Mother-in-law	Physician	Illinois

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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