DB
Donald Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Indiana-County, Pennsylvania
Our Model Tree links this Donald Brown across the 1920, 1930 and 1940 US Censuses in Indiana-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Pauline & Daniel — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Indiana-County, Pennsylvania |
| Surname | Brown |
| Given Name | Donald D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | White Twp |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 40 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | White Twp |
| Est. Birth Year | ~1916 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Jo Brown | Daughter | — | 8 | ~1932 |
| Daniel Brown | Head | — | 54 | ~1886 |
| Robert Brown | Son | — | 16 | ~1924 |
| Fred Brown | Son | — | 22 | ~1918 |
| Donald Brown | Son | — | 24 | ~1916 |
| Pauline Brown | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Indiana, Pennsylvania
Son, age 3
Indiana, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Donald D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Indiana, Pennsylvania
Son, age 13
Indiana, Pennsylvania · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Donald L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Indiana-County, Pennsylvania
Son, age 24
Indiana-County, Pennsylvania · implied b. ~1916 — 6 household members
| Surname | Brown |
| Given Name | Donald D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | White Twp |
| 1935 Residence (County) | Indiana |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 40 |
| Highest Grade | No 12 |
| 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 Donald Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Pauline Brown (~0.92 confidence) and father Daniel Brown (~0.92 confidence) and father Isaac Brown (~0.92 confidence) and father Daniel Brown (~0.92 confidence) and mother Pauline Brown (~0.92 confidence) and mother Pauline Brown (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Pauline Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Daniel Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Isaac Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Daniel Brown
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Pauline Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Pauline Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Brown
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Jo Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Brown
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 16
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 — Indiana-County, Pennsylvania
Open full size
1940 US Federal Census — Indiana-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03518-00676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norma Campfield | 3 | Daughter | — | Pennsylvania |
| 2 | Hazel Campfield | 12 | Daughter | — | Pennsylvania |
| 3 | H. Carlyle Walker | 30 | Head | Clerk | Pennsylvania |
| 4 | Ethel Walker | 30 | Wife | — | Pennsylvania |
| 5 | Leila Jane Walker | 6 | Daughter | — | Pennsylvania |
| 6 | James C. Foreman | 63 | Head | Repairman | Pennsylvania |
| 7 | Anna C. Foreman | 60 | Wife | — | Pennsylvania |
| 8 | Henry Sherman | 52 | Head | Foreman | Pennsylvania |
| 9 | Madeline Sherman | 51 | Wife | — | New York |
| 10 | Fern E. O'Hare | 20 | Daughter | — | New York |
| 11 | Patrick Dennis O'Hare | 1 | Grandson | — | Pennsylvania |
| 12 | Andy Smith | 38 | Head | Laborer | Germany |
| 13 | Andy Jr. Smith | 15 | Son | — | Pennsylvania |
| 14 | Mattie Smith | 67 | Mother | Housekeeper | Hungary |
| 15 | Wilbur Bell | 38 | Head | Laborer | Pennsylvania |
| 16 | Martha Bell | 38 | Wife | Farmer | Pennsylvania |
| 17 | Zenas Walker | 64 | Head | — | Pennsylvania |
| 18 | Cora Walker | 59 | Wife | — | Pennsylvania |
| 19 | Albert Walker | 39 | Head | Foreman Assistant Mine | Pennsylvania |
| 20 | Ruth Walker | 38 | Wife | — | Pennsylvania |
| 21 | Ralph Walker | 17 | Son | — | Pennsylvania |
| 22 | Daniel W. Brown | 54 | Head | Farmer | Pennsylvania |
| 23 | Pauline Brown | 49 | Wife | — | Pennsylvania |
| 24 | Donald D. Brown THIS PERSON | 24 | Son | New Worker | Pennsylvania |
| 25 | Fred W. Brown | 22 | Son | New Worker | Pennsylvania |
| 26 | Robert C. Brown | 16 | Son | — | Pennsylvania |
| 27 | Jo Ann Brown | 8 | Daughter | — | Pennsylvania |
| 28 | Paul Brown | 28 | Head | Clerk | Pennsylvania |
| 29 | Esther Brown | 24 | Wife | — | Pennsylvania |
| 30 | Wayne D. Brown | 1 | Son | — | Pennsylvania |
| 31 | Blair D. Lewis | 54 | Head | — | Pennsylvania |
| 32 | Lottie S. Lewis | 53 | Wife | — | Pennsylvania |
| 33 | Caroline Lewis | 20 | Daughter | Housework House Maid | Pennsylvania |
| 34 | Donald Lewis | 16 | Son | Invalid | Pennsylvania |
| 35 | Effie Jane Lewis | 14 | Daughter | — | Pennsylvania |
| 36 | Blair W. Lewis | 12 | Son | — | Pennsylvania |
| 37 | Robert Lewis | 6 | Son | — | Pennsylvania |
| 38 | Doris Jane Lewis | 5 | Granddaughter | — | Pennsylvania |
| 39 | Catherine Ferrier | 18 | Daughter | — | Pennsylvania |
| 40 | Paul Eugene Ferrier | 0 | Grandson | — | Pennsylvania |
Pedigree Summary
Donald + 3 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)