William Griffith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Peoria-County, Illinois

Our Model Tree links this William Griffith across the 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed), with identified parents Arthur — first a son (b.~1915), then head of a 3-person household.

Age 25 b. ~1915 Male Son Born: Kentucky Single

1940 Census Record Details

Census Year	1940
Location	Peoria-County, Illinois
Surname	Griffith
Given Name	William R
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Kentucky
1935 Residence (City)	Richwoods Township
1935 Residence (County)	Peoria
Additional Details
Hours Worked	40
Highest Grade	C 4
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Township / Ward	Richwoods Township
Est. Birth Year	~1915

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 William	Age	Birth yr
Marie Griffith	Daughter	—	26	~1914
Arthur Gifford	Head	—	67	~1873
William Griffith	Son	—	25	~1915

Census Appearances

1920

Peoria, Illinois

Other, age 5

Peoria, Illinois · implied b. ~1915 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	William
Relationship to Head	Grandson
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Kentucky
Father's Birthplace	Indiana
Mother's Birthplace	Arkansas
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Peoria, Illinois

Other, age 15

Peoria, Illinois · implied b. ~1915 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	William R.
Relationship to Head	stepson
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Kentucky
Father's Birthplace	Ohio
Mother's Birthplace	Arkansas
Occupation	none
Can Read/Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Peoria-County, Illinois

Son, age 25

Peoria-County, Illinois · implied b. ~1915 — 3 household members

Surname	Griffith
Given Name	William R
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Kentucky
1935 Residence (City)	Richwoods Township
1935 Residence (County)	Peoria
Hours Worked	40
Highest Grade	C 4
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Model Tree available

Our Model Tree links William Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Gifford (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Arthur Gifford

b. ~1873

Source father

● Household · direct · ~0.92

This person

Anchor record

William Griffith

Son · 1940 · age 25 · b. ~1915 · Illinois

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Sibling

Marie Griffith

Sibling · 1940 · age 26

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 — Peoria-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00865-00497)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mckinney Alex R Mcinnis	1	Son	—	Illinois
42	Smalley Charles A Mcinnis	37	Lodger	Stationary Engineer	Illinois
43	Smalley Stella Mcinnis	26	Wife	Housework	Illinois
44	Fred M Dietz	54	Head	Cattle Buyer	New York
45	Florence R Dietz	43	Wife	—	New York
46	Norman Weyland	8	Nephew	—	New York
47	Bert Cunlif	25	Lodger	Auto Mechanic Apprentice	New York
48	Arthur J Gifford	67	Head	Appraiser	Illinois
49	Marie E Griffith	26	Daughter	—	Kentucky
50	William R Griffith THIS PERSON	25	Son	—	Kentucky
51	George J Handworth	28	Head	Treater	Tennessee
52	Ruth M Handworth	24	Wife	—	Illinois
53	Ruth A Handworth	1	Daughter	—	Illinois
54	Nellie Freye	50	Head	—	Illinois
55	Gayle Royce	43	Head	Chemical Engineer	Michigan
56	Thelma Royce	40	Wife	—	Ohio
57	Martha L Royce	17	Daughter	—	Michigan
58	Rodney J Royce	13	Son	—	Michigan
59	Ervin L Harrison	39	Head	Proprietor	Illinois
60	Ruth M Harrison	38	Wife	—	Illinois
61	Le Roy L Harrison	18	Son	Truck Washer	Illinois
62	Eugene R Harrison	16	Son	—	Illinois
63	Melvin E Harrison	11	Son	—	Illinois
64	James R Miller	77	Head	Shipping Clerk	Illinois
65	Charlotte M Miller	75	Wife	—	Illinois
66	Sharon L Miller	38	Daughter	—	Illinois
67	Linda L Miller	35	Daughter	—	Illinois
68	William E May	34	Head	Service Representative	Kentucky
69	Mary A May	30	Wife	Typist	Illinois
70	Arthur P Mckinney	32	Head	Proprietor	Kentucky
71	Myrtle E Mckinney	30	Wife	—	Indiana
72	Lorna P Mckinney	2	Daughter	—	Illinois
73	Rosa X Dee Bee	55	Head	—	Illinois
74	Mildred R Dee Bee	21	Daughter	Housework	So Dakota
75	Clarence J Selover	35	Lodger	Electric Welder	Illinois
76	Mabel M Selover	35	Daughter	—	Illinois
77	Rosemary M Selover	7	Daughter	—	Illinois
78	Eugene F Selover	6	Son	—	Illinois
79	Albert P Selover	4	Son	—	Illinois
80	Arthur B Litchfield	39	Head	Machine Operator	Illinois

Search for William Griffith

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Pedigree Summary

William + 1 sibling

Gen 1 · 1 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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