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Alfred Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Pennsylvania
Our Model Tree links this Alfred Thompson across the 1930 and 1940 US Censuses in Butler-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bucks City |
| 1935 Residence (County) | Bucks |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 8 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Bucks City |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Spouse | — | 43 | ~1897 |
| Alfred Thompson | Son | — | 19 | ~1921 |
| Mike Thompson | Head | — | 48 | ~1892 |
| Irene Thompson | Son | — | 14 | ~1926 |
| Effie Thompson | Daughter | — | 10 | ~1930 |
| Sadie Thompson | Daughter | — | 23 | ~1917 |
| George Thompson | Son | — | 16 | ~1924 |
Census Appearances
1930
Butler, Pennsylvania
Son, age 7
Butler, Pennsylvania · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Alfred |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Serbia |
| Mother's Birthplace | Serbia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Butler-County, Pennsylvania
Son, age 19
Butler-County, Pennsylvania · implied b. ~1921 — 7 household members
| Surname | Thompson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bucks City |
| 1935 Residence (County) | Bucks |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 8 |
| Highest Grade | Hs 2 |
| 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 Alfred Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alfred Thompson
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
George Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Thompson
Sibling · 1940 · age 10
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 — Butler-County, Pennsylvania
Open full size
1940 US Federal Census — Butler-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03448-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas. H. Goehring | 52 | Head | Teacher | Pennsylvania |
| 2 | Lorraine Goehring | 23 | Daughter | Teacher | Iowa |
| 3 | Mabel Hoover | 53 | Head | — | Pennsylvania |
| 4 | Myra Hoover | 43 | Sister | Teacher | Pennsylvania |
| 5 | George L. Gibson | 59 | Head | Laborer | Pennsylvania |
| 6 | Eva C. Gibson | 48 | Wife | — | Pennsylvania |
| 7 | Leona Gibson | 25 | Daughter | — | Pennsylvania |
| 8 | Harold Gibson | 19 | Son | Attendant | Pennsylvania |
| 9 | Dale Gibson | 17 | Son | — | Pennsylvania |
| 10 | Mayme Reiner | 51 | Housekeeper | — | Pennsylvania |
| 11 | Frank Reiner | 18 | Son | — | Ohio |
| 12 | Charles W. James | 63 | Head | Pipe Liner | Pennsylvania |
| 13 | Amos James | 55 | Brother | — | Pennsylvania |
| 14 | Mary James | 59 | Sister | — | Pennsylvania |
| 15 | Victor Bain | 48 | Head | Laborer | Pennsylvania |
| 16 | Reil Bain | 48 | Wife | — | Pennsylvania |
| 17 | Mabel Bain | 24 | Daughter | Housework | Pennsylvania |
| 18 | Gilbert Bain | 22 | Son | Laborer | Pennsylvania |
| 19 | John Bain | 19 | Son | — | Pennsylvania |
| 20 | Dorothy Bain | 17 | Daughter | — | Pennsylvania |
| 21 | James Milner | 4 | Cousin | — | Pennsylvania |
| 22 | Mike Thompson | 48 | Head | Laborer | Syria |
| 23 | Mary Thompson | 43 | Wife | — | Cuba |
| 24 | Sadie Thompson | 23 | Daughter | Laborer | Pennsylvania |
| 25 | Alfred Thompson THIS PERSON | 19 | Son | Laborer | Pennsylvania |
| 26 | George Thompson | 16 | Son | — | Pennsylvania |
| 27 | Irene Thompson | 14 | Son | — | Pennsylvania |
| 28 | Effie Thompson | 10 | Daughter | — | Pennsylvania |
| 29 | Mark Lonis | 44 | Head | Laborer | Ukrania |
| 30 | Ann Lonis | 40 | Wife | — | Ukrania |
| 31 | Tillie Lonis | 23 | Daughter | Clerk | Pennsylvania |
| 32 | Irene Lonis | 20 | Son | Clerk | Pennsylvania |
| 33 | George Lonis | 10 | Son | — | Pennsylvania |
| 34 | Alex Sytar | 54 | Head | Laborer | Ukrania |
| 35 | John Sytar | 14 | Son | — | Pennsylvania |
| 36 | Michael Shack | 23 | Head | Laborer | Pennsylvania |
| 37 | Margaret Shack | 19 | Wife | — | Pennsylvania |
| 38 | John E. Cowan | 66 | Head | Carpenter | Pennsylvania |
| 39 | Helen Cowan | 35 | Daughter | — | Pennsylvania |
| 40 | Doris Frederick | 23 | Granddaughter | Housekeeper | Pennsylvania |
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)