Frank Mason — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Sullivan-County, Indiana

Our Model Tree links this Frank Mason across the 1920, 1930 and 1940 US Censuses in Sullivan-County, Indiana (XGBoost, ~Confirmed), with identified parents John & Clara — first a head (b.~1912), then head of a 4-person household.

Age 28 b. ~1912 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Sullivan-County, Indiana
Surname	Mason
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Sullivan City
1935 Residence (County)	Sullivan
Additional Details
Occupation	Truck Driver
Industry	General Hauling
Class of Worker	OA
Hours Worked	40
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Truck Driver
Township / Ward	Sullivan City
Est. Birth Year	~1912

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.

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

Name	Relation to head	Relative to Frank	Age	Birth yr
Mary Mason	Daughter	—	4	~1936
Frank Mason	Head	—	28	~1912
Henry Mason	Son	—	2	~1938
Frank Mason	Son	—	6	~1934

Census Appearances

1920

Sullivan, Indiana

Son, age 8

Sullivan, Indiana · implied b. ~1912 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Frank G
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Sullivan, Indiana

Son, age 18

Sullivan, Indiana · implied b. ~1912 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Frank
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Farm Laborer
Industry	Farm
Class of Worker	VV
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Sullivan-County, Indiana

Head, age 28

Sullivan-County, Indiana · implied b. ~1912 — 4 household members

Surname	Mason
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Sullivan City
1935 Residence (County)	Sullivan
Occupation	Truck Driver
Industry	General Hauling
Class of Worker	OA
Hours Worked	40
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Mason

b. ~1875

Source father

● Household · direct · ~0.92

Mother

Clara Mason

b. ~1882

Source mother

● Household · direct · ~0.92

This person

Anchor record

Frank Mason

Head · 1940 · age 28 · b. ~1912 · Indiana

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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 — Sullivan-County, Indiana Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01097-00520)

Line	Name	Age	Relation	Occupation	Birthplace
2	Walter Reeves	43	Head	Proprietor	Illinois
3	Beulah Reeves	38	Wife	Clerk	Illinois
4	Bessie Reeves	17	Daughter	—	Indiana
5	Doris Reeves	3	Daughter	—	Indiana
6	Paul Sims	39	Head	Bookkeeper	Indiana
7	Beil Sims	35	Wife	—	Indiana
8	P. Kathleen Sims	16	Daughter	—	Indiana
9	P. Richard Jr. Sims	11	Son	—	Indiana
10	Hiram Anderson	50	Head	Farmer	Indiana
11	Bernadine Anderson	36	Wife	—	Indiana
12	Stella Lorene Anderson	15	Daughter	—	Indiana
13	Betty Jo Anderson	11	Daughter	—	Indiana
14	Ruth Marie Anderson	7	Daughter	—	Indiana
15	Charles Edward Anderson	5	Son	—	Indiana
16	Perry Anderson	82	Father	—	Virginia
17	Russel Knotts	66	Head	Carpenter	Indiana
18	Dolly Knotts	49	Wife	—	Illinois
19	Keith Knotts	17	Son	Delivery Boy	Indiana
20	Lavere Knotts	22	Head	Truck Driver	Indiana
21	Velma Knotts	20	Wife	—	Indiana
22	Glenn L. Knotts	0	Son	—	Indiana
23	Nancy C. Linton	72	Head	—	Indiana
24	Myrl Nicholson	36	Servant	Housekeeper	Illinois
25	Frank Mason THIS PERSON	28	Head	Truck Driver	Indiana
26	Frank Edward Mason	6	Son	—	Indiana
27	Mary K. Mason	4	Daughter	—	Indiana
28	Henry Eugene Mason	2	Son	—	Indiana
29	Edsel Arnett	25	Head	Laborer	Indiana
30	Dorothy Arnett	21	Wife	Housekeeper	Indiana
31	Richard Earl Arnett	1	Son	—	Indiana
32	Gerald Padgett	22	Head	Laborer	Indiana
33	Naomi Padgett	19	Wife	—	Illinois
34	Carroll Stewart	28	Head	Salesman	Indiana
35	Genevieve Stewart	27	Wife	—	Indiana
36	Nancy Carol Stewart	3	Daughter	—	Indiana
37	Nelson Hubble Stewart	1	Son	—	Indiana
38	John Rusk	45	Head	Plumber	Indiana
39	Rotha Rusk	39	Wife	—	Illinois
40	Vivian Rusk	20	Daughter	Seamstress	Indiana

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Pedigree Summary

Frank

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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