Joseph Long — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · District-Of-Columbia-County, District of Columbia

Our Model Tree links this Joseph Long across the 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 6-person household.

Age 61 b. ~1879 Male Head Born: Virginia Married

1940 Census Record Details

Census Year	1940
Location	District-Of-Columbia-County, District of Columbia
Surname	Long
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	61
Marital Status	Married
Birthplace	Virginia
1935 Residence (City)	Washington
1935 Residence (County)	District Of Columbia
Additional Details
Occupation	Laborer
Class of Worker	PW
Hours Worked	40
Income (1939)	348
Highest Grade	No 4
1935 Residence	Same house
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia
Occupation	Laborer
Township / Ward	Washington
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.

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

Name	Relation to head	Relative to Joseph	Age	Birth yr
Joseph Long	Head	—	61	~1879
Minnie Long	Son	—	19	~1921
Gertrude Long	Daughter	—	20	~1920
Joseph Long	Son	—	22	~1918
Clarice Long	Daughter	—	28	~1912
Nelle Long	Spouse	—	50	~1890

Census Appearances

1920

None, District …

Head, age 40

None, District of Columbia · implied b. ~1880 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	40
Marital Status	Married
Birthplace	Virginia
Father's Birthplace	Virginia
Mother's Birthplace	Virginia
Occupation	Laborer
Industry	Plumbers Asst
Class of Worker	W
Can Read	No
Can Write	No
Speaks English	Yes
Home Owned/Rented	R
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

1930

None, District …

Head, age 51

None, District of Columbia · implied b. ~1879 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	51
Marital Status	Married
Birthplace	Virginia
Age at First Marriage	35
Father's Birthplace	United States
Mother's Birthplace	United States
Occupation	Janitor
Industry	Apartment House
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

1940

District-Of-Columbia-County, District …

Head, age 61

District-Of-Columbia-County, District of Columbia · implied b. ~1879 — 6 household members

Surname	Long
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	61
Marital Status	Married
Birthplace	Virginia
1935 Residence (City)	Washington
1935 Residence (County)	District Of Columbia
Occupation	Laborer
Class of Worker	PW
Hours Worked	40
Income (1939)	348
Highest Grade	No 4
1935 Residence	Same house
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

Model Tree

Linked across censuses

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

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This person

Anchor record

Joseph Long

Head · 1940 · age 61 · b. ~1879 · District of Columbia

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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 — District-Of-Columbia-County, District of Columbia Open full size

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-00557-00891)

Line	Name	Age	Relation	Occupation	Birthplace
1	Walter Hockaday	75	Lodger	—	Virginia
2	Hamilton Brown	33	Lodger	Clerk	Idaho
5	Sarah Smith	57	Head	—	Virginia
6	Tom Yarber	41	Head	Laborer	S. Carolina
7	Jeanette Yarber	18	Wife	—	S. Carolina
8	Jean Yarber	7	Son	—	D.C.
9	Willie Mcclain	52	Head	Laborer	S. Carolina
10	Lucas Mcclain	56	Wife	—	S. Carolina
11	Woodrow Mcclain	22	Son	Cook	S. Carolina
12	Bessie Elater	38	Head	Mechanic	S. Carolina
13	Essie Elater	37	Lodger	—	S. Carolina
14	Joseph Long THIS PERSON	61	Head	Laborer	Virginia
15	Nelle Long	50	Wife	—	Virginia
16	Joseph Long	22	Son	Laborer	D.C.
17	Gertrude Long	20	Daughter	Stenographer	D.C.
18	Minnie Long	19	Son	Laborer	D.C.
19	Clarice Long	28	Daughter	—	D.C.
20	John Washington	69	Head	Domestic	Virginia
21	Charles Washington	40	Son	Laborer	Maryland
23	Elizabeth Gray	50	Head	Domestic	D.C.
24	David Williams	61	Head	—	Virginia
25	Mollie Williams	56	Wife	Domestic	Maryland
26	Ambrose Lewis	44	Lodger	—	Virginia
27	Lucy Eulin	44	Head	Clerk	Virginia
28	Miriam Eulin	20	Daughter	Seamstress	D.C.
30	Fred Denson	39	Head	Clerk	D.C.
31	Helen Denson	39	Wife	—	D.C.
32	Melvin Denson	11	Son	—	D.C.
33	Edwin Denson	6	Son	—	D.C.
34	Joseph Murphy	41	Lodger	Mechanic	D.C.
35	Dolly Wade	31	Lodger	Waitress	Virginia
36	Wesley Headley	40	Lodger	Laborer	Virginia
37	Milton Green	26	Lodger	Laborer	West Virginia
38	David Paddy	31	Lodger	Laborer	D.C.
39	James Hingenfelt	30	Lodger	Driver	S. Carolina
40	Roy	23	Lodger	Driver	D.C.

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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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