JB
James Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Butler across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents E & Catherine — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Butler |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | new worker |
| Hours Worked | 23 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Pittsburgh |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Anne Butler | Daughter | — | 23 | ~1917 |
| E Butler | Head | — | 64 | ~1876 |
| Edna Peterson | Other | — | 62 | ~1878 |
| Edward Butler | Son | — | 20 | ~1920 |
| James Butler | Son | — | 21 | ~1919 |
| Catherine Butler | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age
Allegheny, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 6 household members
| Surname | Butler |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | new worker |
| Hours Worked | 23 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E Butler (~0.92 confidence) and mother Catherine Butler (~0.92 confidence) and mother Ollie Butler (~0.92 confidence) and father James Butler (~0.92 confidence) and father James Butler (~0.92 confidence) and mother Helen Butler (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Butler
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Catherine Butler
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ollie Butler
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
James Butler
b. ~1893
Source father
● Household
· direct · ~0.92
Father
James Butler
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Helen Butler
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Butler
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Edward Butler
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Butler
Sibling · 1940 · age 23
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03656-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilma Grieve | 23 | lodger | Waitress | Pennsylvania |
| 42 | William E. Grieve | 5 | lodger | — | Pennsylvania |
| 43 | Wallis A. Grieve | 3 | lodger | — | Pennsylvania |
| 44 | Doshko Tabovich | 25 | lodger | Window Washer | Pennsylvania |
| 45 | Iona Tabovich | 21 | lodger | — | Pennsylvania |
| 46 | Carl S. Beltz | 36 | lodger | Riveter | Illinois |
| 47 | Ruth Mildred Beltz | 30 | lodger | — | Pennsylvania |
| 48 | Ruth Clem | 42 | head | — | Pennsylvania |
| 49 | Robert Clem | 25 | son | Agent | W. Virginia |
| 50 | Barbara Clem | 20 | daughter | — | Pennsylvania |
| 51 | Robert Clem | 5 | grand-son | — | Pennsylvania |
| 52 | Helen Wilson | 28 | lodger | Waitress | Ohio |
| 53 | Patricia Albert | 25 | lodger | Waitress | Czecho-Slovakia |
| 54 | Nicholas J. Kosko | 30 | head | Salesman | New Jersey |
| 55 | Virginia Kosko | 34 | wife | Stenographer | Pennsylvania |
| 56 | Lola Robb | 32 | lodger | Nurse | Nebraska |
| 57 | Hugh Flack | 23 | lodger | Slug Worker | North Carolina |
| 58 | Douglas Daniels | 24 | lodger | Sheet Metal | North Carolina |
| 59 | Lois M. Edwards | 26 | head | — | Pennsylvania |
| 60 | Robert M. Edwards | 50 | son | Attorney | Pennsylvania |
| 61 | Fred Harris | 35 | roomer | Barber | Pennsylvania |
| 63 | Marie Rita Estrilla | 22 | roomer | Waitress | Pennsylvania |
| 64 | Clyde Clyde | 30 | head | Laborer | Pennsylvania |
| 65 | Elizabeth Clyde | 26 | wife | — | Pennsylvania |
| 66 | David L. Clyde | 4 | son | — | Pennsylvania |
| 69 | Edith Vampre | 23 | head | Stenographer | Pennsylvania |
| 70 | Harry Joseph Layden | 47 | head | Stock Clerk | Pennsylvania |
| 71 | W. J. Layden | 32 | wife | — | Pennsylvania |
| 73 | Roger S. Nibert | 33 | head | Mail Clerk | Washington |
| 74 | Merren S. Nibert | 27 | wife | — | Mississippi |
| 75 | E. T. Butler | 64 | head | Laborer | Pennsylvania |
| 76 | Catherine M. Butler | 57 | wife | — | Pennsylvania |
| 77 | James Butler THIS PERSON | 21 | son | New Worker | Pennsylvania |
| 78 | Anne Butler | 23 | daughter | Bookkeeper | Pennsylvania |
| 79 | Edward Butler | 20 | son | Errand Boy | Pennsylvania |
| 80 | Edna M. Peterson | 62 | lodger | Agent | Norway |
Pedigree Summary
James + 2 siblings
Gen 1 · 6 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)