DB
Donald Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Pennsylvania
Our Model Tree links this Donald Brown across the 1930 and 1940 US Censuses in Warren-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Pennsylvania |
| Surname | Brown |
| Given Name | Donald Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glade Township |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Glade Township |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Nancy Brown | Daughter | — | 6 | ~1934 |
| Helen Brown | Daughter | — | 11 | ~1929 |
| Lois Brown | Daughter | — | 10 | ~1930 |
| Shirley Brown | Daughter | — | 1 | ~1939 |
| Jeanette Maze | Daughter | — | 17 | ~1923 |
| Donald Brown | Head | — | 35 | ~1905 |
| Donald Brown | Son | — | 12 | ~1928 |
| Clyde Brown | Son | — | 9 | ~1931 |
| Merle Brown | Son | — | 8 | ~1932 |
| Twila Brown | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Warren, Pennsylvania
Son, age 2
Warren, Pennsylvania · implied b. ~1928 — 5 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 | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Warren-County, Pennsylvania
Son, age 12
Warren-County, Pennsylvania · implied b. ~1928 — 10 household members
| Surname | Brown |
| Given Name | Donald Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glade Township |
| 1935 Residence (County) | Warren |
| Highest Grade | No 7 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Brown
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
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Sibling
Nancy Brown
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Maze
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Brown
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Brown
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Brown
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 — Warren-County, Pennsylvania
Open full size
1940 US Federal Census — Warren-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03618-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William S. Olney | 51 | Head | Farmer | Pennsylvania |
| 2 | Lucille Olney | 38 | Wife | — | Pennsylvania |
| 3 | Richard Olney | 12 | Son | — | Pennsylvania |
| 4 | Marjorie Olney | 2 | Daughter | — | Pennsylvania |
| 5 | William Ellis | 45 | Hired man | Farm Laborer | Pennsylvania |
| 6 | Josephine Hoag | 61 | Head | Farmer | Pennsylvania |
| 7 | John Mathis | 57 | Brother | Farm Laborer | Pennsylvania |
| 8 | Febby Mathis | 42 | Daughter | — | Pennsylvania |
| 9 | Madilla Walters | 58 | Head | Farmer | Pennsylvania |
| 10 | Jean Hover | 19 | Daughter | — | Pennsylvania |
| 11 | Edward Hover | 24 | Son in law | Farm Laborer | Pennsylvania |
| 12 | Daniel Nollinger | 56 | Head | Axe Grinder | Pennsylvania |
| 13 | Alice S. Nollinger | 54 | Wife | — | New York |
| 14 | Donald Brown | 35 | Head | Polisher | Pennsylvania |
| 15 | Twila S. Brown | 32 | Wife | — | Pennsylvania |
| 16 | Donald Jr. Brown THIS PERSON | 12 | Son | — | Pennsylvania |
| 17 | Helen Brown | 11 | Daughter | — | Pennsylvania |
| 18 | Lois Brown | 10 | Daughter | — | Pennsylvania |
| 19 | Clyde Brown | 9 | Son | — | Pennsylvania |
| 20 | Merle Brown | 8 | Son | — | Pennsylvania |
| 21 | Nancy Brown | 6 | Daughter | — | Pennsylvania |
| 22 | Shirley Brown | 1 | Daughter | — | Pennsylvania |
| 23 | Jeanette Maze | 17 | Daughter | — | Pennsylvania |
| 24 | Walter Abplanalp | 29 | Head | Bus Driver | Pennsylvania |
| 25 | Constance Abplanalp | 30 | Wife | — | Pennsylvania |
| 26 | Patricia Abplanalp | 9 | Daughter | — | Pennsylvania |
| 27 | James Abplanalp | 7 | Son | — | Pennsylvania |
| 28 | Robert Abplanalp | 2 | Son | — | Pennsylvania |
| 29 | Nellie Johnson | 68 | Head | — | Pennsylvania |
| 30 | Mendel Johnson | 38 | Son | Laborer | Pennsylvania |
| 31 | Gladys Johnson | 40 | Daughter in law | — | Pennsylvania |
| 32 | Merton Johnson | 18 | Grandson | — | Pennsylvania |
| 33 | Marion Johnson | 17 | Granddaughter | — | Pennsylvania |
| 34 | Lester Johnson | 16 | Grandson | — | Pennsylvania |
| 35 | Harry Johnson | 14 | Grandson | — | Pennsylvania |
| 36 | Nellie Johnson | 12 | Granddaughter | — | Pennsylvania |
| 37 | Isabelle Johnson | 11 | Granddaughter | — | Pennsylvania |
| 38 | Lois Johnson | 6 | Granddaughter | — | Pennsylvania |
| 39 | Nathaniel Nathenson | 43 | Head | Laborer | Pennsylvania |
| 40 | Gertrude Nathenson | 38 | Wife | — | Pennsylvania |
Related Census Records
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)