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Lewis Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this Lewis Brown across the 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | Brown |
| Given Name | Lewis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | E. Nottingham Twp |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | E Nottingham Twp |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lewis | Age | Birth yr |
|---|---|---|---|---|
| Ruth Brown | Daughter | — | 12 | ~1928 |
| Bettie Brown | Daughter | — | 9 | ~1931 |
| Dorothy Brown | Daughter | — | 5 | ~1935 |
| Virgil Brown | Head | — | 39 | ~1901 |
| Andrew Murphy | Other | — | 42 | ~1898 |
| Richard Brown | Son | — | 19 | ~1921 |
| Harold Brown | Son | — | 3 | ~1937 |
| Lewis Brown | Son | — | 17 | ~1923 |
| Donald Brown | Son | — | 15 | ~1925 |
| Robert Brown | Son | — | 22 | ~1918 |
| Bessie Brown | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Chester, Pennsylvania
Son, age 7
Chester, Pennsylvania · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lewis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Chester-County, Pennsylvania
Son, age 17
Chester-County, Pennsylvania · implied b. ~1923 — 11 household members
| Surname | Brown |
| Given Name | Lewis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | E. Nottingham Twp |
| 1935 Residence (County) | Chester |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Lewis Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lewis Brown
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
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Sibling
Dorothy Brown
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Brown
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Brown
Sibling · 1940 · age 9
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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Hancock | 10 | Son | — | Connecticut |
| 2 | Lauretta Hancock | 7 | daughter | — | Connecticut |
| 3 | William Hancock | 4 | son | — | Pennsylvania |
| 4 | Joan Hancock | 3 | daughter | — | Pennsylvania |
| 5 | Charles F. Hancock | 0 | son | — | Pennsylvania |
| 6 | James Taylor | 46 | Head | Operator | Pennsylvania |
| 7 | Olga M. Taylor | 44 | Wife | — | Tennessee |
| 8 | Lawrence Taylor | 15 | son | — | Pennsylvania |
| 9 | Charles Taylor | 13 | son | — | Pennsylvania |
| 10 | Cecil Taylor | 48 | Brother | Labor | Pennsylvania |
| 11 | Frank Springer | 60 | Hired man | Labor | Delaware |
| 12 | Andrew Johnson | 48 | Head | Operator | Tennessee |
| 13 | Maud E. Johnson | 44 | Wife | — | N. Carolina |
| 14 | Yvonne Johnson | 3 | daughter | — | Pennsylvania |
| 15 | Carter Hill | 34 | Head | Laborer | Kentucky |
| 16 | Lannie Hill | 25 | Wife | — | N. Carolina |
| 17 | James F. Twohig | 74 | Head | — | Pennsylvania |
| 18 | Ethel Boyd | 52 | House Keeper | House Keeper | Pennsylvania |
| 19 | Jane Boyd | 12 | House Keeper | — | Pennsylvania |
| 20 | Julius Hnatt | 46 | Head | Operator | Czechoslovakia |
| 21 | Mary Hnatt | 46 | wife | — | Czechoslovakia |
| 22 | Julius Jr. Hnatt | 23 | son | Machine Operator | Pennsylvania |
| 23 | Ruth Hnatt | 13 | daughter | — | Pennsylvania |
| 24 | Eleanor Hnatt | 10 | daughter | — | Pennsylvania |
| 25 | Virgil Brown | 39 | Head | Track Foreman | Pennsylvania |
| 26 | Bessie Brown | 42 | Wife | — | Maryland |
| 27 | Robert Brown | 22 | son | Labor | Maryland |
| 28 | Richard Brown | 19 | son | New Worker | Maryland |
| 29 | Lewis Brown THIS PERSON | 17 | son | — | Maryland |
| 30 | Donald Brown | 15 | son | — | Maryland |
| 31 | Ruth Brown | 12 | daughter | — | Maryland |
| 32 | Bettie Brown | 9 | daughter | — | Pennsylvania |
| 33 | Dorothy Brown | 5 | daughter | — | Pennsylvania |
| 34 | Harold Brown | 3 | son | — | Pennsylvania |
| 35 | Andrew Murphy | 42 | Lodger | Labor | Pennsylvania |
| 36 | Maurice Crowl | 56 | Head | Operator | Pennsylvania |
| 37 | Gertrude Crowl | 54 | Wife | — | Pennsylvania |
| 38 | Joseph H. Crowl | 23 | son | Labor | Pennsylvania |
| 39 | Howard Macmichael | 31 | son-in-law | Labor | Pennsylvania |
| 40 | Ruth Macmichael | 27 | daughter | Labor | 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)