Clarence Allen — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Jefferson-County, Illinois

Our Model Tree links this Clarence Allen across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed), with identified parents Almond & Laura — first a son (b.~1920), then head of a 3-person household.

Age 20 b. ~1920 Male Son Born: Illinois Single

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Illinois
Surname	Allen
Given Name	Clarence
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Elk Prairie Twp
1935 Residence (County)	Jefferson
Additional Details
Occupation	Laborer
Industry	N.Y.A.
Class of Worker	GW
Hours Worked	14
Income (1939)	140
Highest Grade	H 4
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Occupation	Laborer
Township / Ward	Elk Prairie Twp
Est. Birth Year	~1920

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 Clarence	Age	Birth yr
Almond Allen	Head	—	54	~1886
Clarence Allen	Son	—	20	~1920
Laura Allen	Spouse	—	50	~1890

Census Appearances

1920

Jefferson, Illinois

Son, age

Jefferson, Illinois · implied b. ~1920 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Clarence A
Relationship to Head	Son
Sex	M
Color / Race	White
Age	0
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Jefferson, Illinois

Other, age 10

Jefferson, Illinois · implied b. ~1920 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Clarence
Relationship to Head	Gd. Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Occupation	none
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Jefferson-County, Illinois

Son, age 20

Jefferson-County, Illinois · implied b. ~1920 — 3 household members

Surname	Allen
Given Name	Clarence
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Elk Prairie Twp
1935 Residence (County)	Jefferson
Occupation	Laborer
Industry	N.Y.A.
Class of Worker	GW
Hours Worked	14
Income (1939)	140
Highest Grade	H 4
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Model Tree available

Our Model Tree links Clarence Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Almond Allen (~0.92 confidence) and mother Laura Allen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Almond Allen

b. ~1886

Source father

● Household · direct · ~0.92

Mother

Laura Allen

b. ~1890

Source mother

● Household · direct · ~0.92

This person

Anchor record

Clarence Allen

Son · 1940 · age 20 · b. ~1920 · Illinois

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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 — Jefferson-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00816-00149)

Line	Name	Age	Relation	Occupation	Birthplace
1	Leslie Moore	21	Son	—	Illinois
2	William D. Bromley	55	Head	Farming	Illinois
3	Arena Bromley	50	Wife	Housework	Illinois
4	Roger Knox	49	Head	Housework	Illinois
5	Edd Self	35	Head	Laborer	Illinois
6	Maud Self	32	Wife	Housework	Illinois
7	Norma L. Self	7	Daughter	—	Illinois
8	Jerry Lee Self	2	Son	—	Illinois
9	John M. Kirk	73	Head	Farming	Illinois
10	Mollie Kirk	71	Wife	Housework	Illinois
11	Luther Hodge	71	Head	Farming	Illinois
12	Lucy Hodge	68	Wife	Housework	Illinois
13	Charley Dudley	54	Head	Mining	Illinois
14	Lee Dudley	57	Wife	Housework	Illinois
15	Cyril Dudley	17	Son	Farming	Illinois
16	Frank Dudley	15	Son	Farming	Illinois
17	William Dally	72	Head	Farming	Illinois
18	Marie Dally	69	Wife	Housework	Illinois
19	Thomas Black	76	Head	Farming	Illinois
20	Ena Black	73	Wife	Housework	Illinois
21	Gordon Metcalf	28	Head	Farming	Illinois
22	Hilda Metcalf	28	Wife	Librarian	Illinois
23	Patsy Metcalf	3	Daughter	—	Illinois
24	Clene Heater	57	Head	Mining	Illinois
25	George Simons	24	Head	Laborer	Illinois
26	Maud Simons	22	Wife	Housework	Illinois
27	Donald O. Simons	5	Son	—	Illinois
28	Clifford Simons	3	Son	—	Illinois
29	Almond Allen	54	Head	Farming	Illinois
30	Laura Allen	50	Wife	Housework	Illinois
31	Clarence Allen THIS PERSON	20	Son	Laborer	Illinois
32	William Gahlles	31	Head	Farming	Illinois
33	Fern Gahlles	27	Wife	Housework	Illinois
34	Wilma Gahlles	5	Daughter	—	Illinois
35	Freddy Gahlles	2	Son	—	Illinois
36	John Gulvic	45	Head	Mining	Russia
37	Pat Gulvic	33	Wife	Housework	Illinois
38	John, Jr. Gulvic	15	Son	Farming	Illinois
39	Leona Gulvic	12	Daughter	—	Illinois
40	Barbara Gulvic	3	Daughter	—	Illinois

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Pedigree Summary

Clarence

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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