Effie Williams — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Butte-County, California

Our Model Tree links this Effie Williams across the 1920, 1930 and 1940 US Censuses in Butte-County, California (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.

Age 61 b. ~1879 Female Head Born: Indiana Widowed

1940 Census Record Details

Census Year	1940
Location	Butte-County, California
Surname	Williams
Given Name	Effie
Relationship to Head	Head
Sex	F
Color / Race	White
Age	61
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Chico Judicial Township
1935 Residence (County)	Butte
Additional Details
Occupation	Housekeeper
Industry	Own Home
Class of Worker	H
Hours Worked	5
Highest Grade	No 8
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Housekeeper
Township / Ward	Chico Judicial Township
Est. Birth Year	~1879

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.

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

Name	Relation to head	Relative to Effie	Age	Birth yr
Effie Williams	Head	—	61	~1879
Margaret Williams	Daughter	—	19	~1921
Elizabeth Williams	Daughter	—	21	~1919

Census Appearances

1920

Butte, California

Spouse, age 41

Butte, California · implied b. ~1879 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Effie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Butte, California

Spouse, age 51

Butte, California · implied b. ~1879 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Effie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	22
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	none
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Butte-County, California

Head, age 61

Butte-County, California · implied b. ~1879 — 3 household members

Surname	Williams
Given Name	Effie
Relationship to Head	Head
Sex	F
Color / Race	White
Age	61
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Chico Judicial Township
1935 Residence (County)	Butte
Occupation	Housekeeper
Industry	Own Home
Class of Worker	H
Hours Worked	5
Highest Grade	No 8
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Effie Williams 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 Williams

Head · 1940 · age 61 · b. ~1879 · 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 — Butte-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00192-00791)

Line	Name	Age	Relation	Occupation	Birthplace
1	Helen Swanson	22	Wife	Housekeeper	Colorado
2	Otto Anderson	67	Head	Orchardist	Sweden
3	Emma Anderson	66	Wife	—	Sweden
4	Gus Anderson	49	Son	Paper Cutter	Sweden
5	Leonard Anderson	14	Grandson	—	California
6	Orel Richardson	54	Head	—	California
7	Beulah Richardson	51	Wife	Orchardist	Michigan
8	Wm Atteberry	45	Head	Orchardist	California
9	Jenney Atteberry	32	Wife	Orchardist	California
10	Wm Atteberry	47	Head	Orchardist	California
11	Jenney Atteberry	32	Wife	Orchardist	California
12	Hiram Atteberry	14	Son	—	California
13	Harley Atteberry	9	Son	—	California
14	Alonzo Richardson	58	Head	Orchardist	California
15	Lulu Richardson	56	Wife	Housekeeper	Montana
16	Phoncie Higgins	17	Stepdaughter	Housekeeper	Canada
17	Iris Higgins	13	Stepdaughter	—	Illinois
18	August Grobe	79	Head	Orchardist	Missouri
19	Frank Grobe	50	Nephew	Orchardist	California
20	John Ambrosini	36	Head	Carpenter Helper	California
21	Iris Ambrosini	25	Wife	Housekeeper	California
22	Emery Jesse	27	Head	Laborer	California
23	Fay Jesse	25	Wife	Housekeeper	Oklahoma
24	William Reelsen	85	Boarder	Orchardist	Sweden
25	Wm Urquhart	62	Head	Laborer	Kansas
26	Fanny Steffen	69	Head	Housekeeper	Kansas
27	Arthur Rist	72	Boarder	Orchardist	Illinois
28	Charles Palmer	24	Head	Laborer	California
29	Bernice Palmer	23	Wife	Housekeeper	California
30	Vivian Palmer	3	Daughter	—	California
31	Janet Palmer	0	Daughter	—	California
32	Lee Urquhart	59	Head	Laborer	Kansas
33	Mattie Urquhart	48	Wife	Housekeeper	Montana
34	Ira Urquhart	19	Son	Common Labor	California
35	Merline Urquhart	17	Son	Common Labor	California
36	Gus Silvia	43	Head	Common Labor	California
37	Rose Silvia	51	Wife	Housekeeper	Rhode Island
38	Effie Williams THIS PERSON	61	Head	Housekeeper	Indiana
39	Elizabeth Williams	21	Daughter	Bookkeeper	California
40	Margaret Williams	19	Daughter	Nurse	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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