Effie Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Alameda-County, California

Our Model Tree links this Effie Smith across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 2-person household.

Age 55 b. ~1885 Female Head Born: Wyoming Widowed

1940 Census Record Details

Census Year	1940
Location	Alameda-County, California
Surname	Smith
Given Name	Effie J.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	55
Marital Status	Widowed
Birthplace	Wyoming
1935 Residence (City)	Brooklyn Twp. AD 14
1935 Residence (County)	Alameda
Additional Details
Industry	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming
Township / Ward	Brooklyn Twp Ad 14
Est. Birth Year	~1885

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.

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

Name	Relation to head	Relative to Effie	Age	Birth yr
Effie Smith	Head	—	55	~1885
Ralph Smith	Son	—	22	~1918

Census Appearances

1920

Alameda, California

Spouse, age 36

Alameda, California · implied b. ~1884 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Effie J.
Relationship to Head	wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Wyoming
Father's Birthplace	Canada
Mother's Birthplace	Canada
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

1930

Alameda, California

Head, age 45

Alameda, California · implied b. ~1885 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Effie J.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	45
Marital Status	Widowed
Birthplace	Wyoming
Age at First Marriage	22
Father's Birthplace	Canada-French
Mother's Birthplace	Rhode Island
Occupation	saleslady
Industry	dry goods store
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	30
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

1940

Alameda-County, California

Head, age 55

Alameda-County, California · implied b. ~1885 — 2 household members

Surname	Smith
Given Name	Effie J.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	55
Marital Status	Widowed
Birthplace	Wyoming
1935 Residence (City)	Brooklyn Twp. AD 14
1935 Residence (County)	Alameda
Industry	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Wyoming
Birth Country	United States
Birthplace (normalized)	wyoming

Model Tree

Linked across censuses

Our Model Tree links Effie Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Effie Smith

Head · 1940 · age 55 · b. ~1885 · 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 — Alameda-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00434-00396)

Line	Name	Age	Relation	Occupation	Birthplace
41	Pitha, Mary Pitka	69	wife	—	Iowa
42	James Brady	56	Head	—	Pennsylvania
43	Viola Brady	44	wife	—	Oklahoma
44	Myrtle Moore	53	Head	Office	Iowa
45	Mary Elizabeth Moore	24	daughter	Clerk	California
46	Effie J. Smith THIS PERSON	55	Head	—	Wyoming
47	Ralph D. Smith	22	son	Saleslady	California
48	Robert Dietrich	46	Head	Salesman	Illinois
49	Stella Dietrich	50	wife	Cook	California
50	Marlene Dietrich	7	daughter	—	California
51	Charles Foster	32	boarder	Truck Driver	Arizona
52	Roy Bubber	44	Lodger	Auditor	California
53	Jim Claire	24	Lodger	Line Construction	New York
54	Wilbur White	64	Head	Real Estate	Iowa
55	Blanche M. White	57	wife	—	Iowa
56	James E. Miller	76	brother-in-law	—	Illinois
57	Anna Olsen	68	Roomer	—	Norway
58	Albert R. Mckay	32	Head	Sub. Mail Carrier	Nevada
59	Vera Mckay	26	wife	—	Oregon
60	Richard Mckay	6	son	—	California
61	Myrna Mckay	4	daughter	—	California
62	Marcy Mckay	0	daughter	—	California
63	Peter Floven	43	Head	Upholsterer	Nevada
64	Clara E. Floven	35	wife	—	Alabama
65	Frank W. Fetterman	52	Head	Superintendent	Ohio
66	Susie J. Fetterman	46	wife	—	California
67	Kenneth W. Fetterman	18	son	Salesman	California
68	Ruth Sanders	45	Head	Teacher	Montana
69	Emma D. Martin	67	mother	—	Canada
70	Hyman Z. Porter	36	Head	Finisher	Russia
71	Minna Porter	33	wife	—	Russia
72	Maurice Porter	8	son	—	Canada
73	Floyd O. Rittenhouse	63	Head	Owner & Manager	Ohio
74	Henrietta Rittenhouse	52	wife	—	California
75	Jane Rittenhouse	24	daughter	—	California
76	Thomas T. Smith	40	Head	Buyer	Oklahoma
77	Elsie C. Smith	39	wife	—	California
78	Arthur R. Jr. Pidgeon	33	Head	Dist. Freight Agt.	California
79	Lucile R. Pidgeon	37	wife	—	Kentucky
80	Oliver P. Hance	52	Head	Dentist	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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