JL
James Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Long across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Elmira — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Long |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1919 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| William Long | Head | — | 63 | ~1877 |
| Edward Hink | Other | — | 12 | ~1928 |
| James Long | Son | — | 21 | ~1919 |
| Almira Long | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Long |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Allegheny |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Long (~0.92 confidence) and mother Elmira Long (~0.92 confidence) and mother Almira Long (~0.92 confidence) and mother Young Long (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Long
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Elmira Long
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Almira Long
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Young Long
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Long
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03654-00732)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Wylie | 44 | Head | Pullman Porter | South Carolina |
| 2 | Elnora Wylie | 33 | Wife | Laundry Worker | South Carolina |
| 3 | Thelma Alston | 29 | Lodger | — | South Carolina |
| 4 | Mary E. Alston | 13 | Daughter | — | Pennsylvania |
| 5 | Jessie Terry | 38 | Head | Janitor | Pennsylvania |
| 6 | Edith Terry | 29 | Wife | — | Virginia |
| 7 | Jessie M. Terry | 5 | Daughter | — | Pennsylvania |
| 8 | Albert Terry | 3 | Son | — | Pennsylvania |
| 9 | Elnora Terry | 2 | Daughter | — | Pennsylvania |
| 10 | Donald Terry | 1 | Son | — | Pennsylvania |
| 11 | James Miller | 71 | Father-in-law | — | Virginia |
| 12 | Lorenzo Martin | 61 | Head | Laborer | West Virginia |
| 13 | Virginia Martin | 58 | Wife | — | Virginia |
| 14 | Gloria Martin | 18 | Daughter | — | Pennsylvania |
| 15 | Helen Williams | 11 | Daughter | — | Pennsylvania |
| 16 | William Long | 63 | Head | Laborer | Ohio |
| 17 | Almira Long | 61 | Wife | — | Pennsylvania |
| 18 | James Long THIS PERSON | 21 | Son | New Worker | Pennsylvania |
| 19 | Edward Hink | 12 | Boarder | — | Pennsylvania |
| 20 | Willie Burkey | 38 | Head | New Worker | Ohio |
| 21 | Alberta Burkey | 30 | Wife | — | Alabama |
| 22 | Ethel Burkey | 13 | Daughter | — | Pennsylvania |
| 23 | Annie Burkey | 11 | Daughter | — | Pennsylvania |
| 24 | Earl Burkey | 9 | Son | — | Pennsylvania |
| 25 | Rafiel Burkey | 8 | Daughter | — | Pennsylvania |
| 26 | Elbert Burkey | 6 | Son | — | Pennsylvania |
| 27 | Samuel Thomas | 49 | Lodger | Laborer | Alabama |
| 28 | Virginia Smith | 50 | Lodger | — | South Carolina |
| 29 | John S. Bronson | 36 | Head | Laborer | Arkansas |
| 30 | Ellen Bell | 35 | Lodger | Maid | Virginia |
| 31 | Martha Bell | 16 | Daughter | — | Pennsylvania |
| 32 | Elma Brown | 41 | Head | Maid | North Carolina |
| 33 | Wilbert Bring | 25 | Lodger | New Worker | Pennsylvania |
| 34 | Cherrie C. Mackey | 42 | Lodger | Barber | South Carolina |
| 35 | Richard Mackey | 18 | Son | — | Pennsylvania |
| 36 | Hayward Mackey | 14 | Son | — | Pennsylvania |
| 37 | Isaiah Woodson | 45 | Head | Agent | Virginia |
| 38 | Ada Woodson | 44 | Wife | Seamstress | Virginia |
| 39 | Aura Woodson | 14 | Daughter | — | Tennessee |
| 40 | Elizabeth Woodson | 13 | Daughter | — | Pennsylvania |
Pedigree Summary
James
Gen 1 · 4 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)