TB
Theodore Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carroll-County, Maryland
Our Model Tree links this Theodore Brown across the 1920, 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Ida — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Maryland |
| Surname | Brown |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | New Windsor |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Income (1939) | 1900 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| Township / Ward | New Windsor |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Theodore Brown | Head | — | 35 | ~1905 |
| Lilian Brown | Daughter | — | 15 | ~1925 |
| Gertie Brown | Spouse | — | 38 | ~1902 |
| Bettie Brown | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Carroll, Maryland
Son, age 15
Carroll, Maryland · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Theodore A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | laborer |
| Industry | home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Carroll, Maryland
Head, age 26
Carroll, Maryland · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Theo. A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | West Md RRy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Carroll-County, Maryland
Head, age 35
Carroll-County, Maryland · implied b. ~1905 — 4 household members
| Surname | Brown |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | New Windsor |
| 1935 Residence (County) | Carroll |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Income (1939) | 1900 |
| Highest Grade | No 5 |
| 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 Theodore Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Brown (~0.92 confidence) and mother Ida Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brown
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Ida Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Brown
Head · 1940 · age 35 · b. ~1905 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Carroll-County, Maryland
Open full size
1940 US Federal Census — Carroll-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01544-00928)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Franklin | 71 | Head | Farmer | Maryland |
| 2 | Ella Franklin | 73 | Wife | — | Maryland |
| 3 | Ralph Franklin | 36 | Son | Laborer | Maryland |
| 4 | David E Franklin | 32 | Son | Mechanic | Maryland |
| 5 | Alice Franklin | 24 | Daughter in law | — | Maryland |
| 6 | Ella Franklin | 3 | Granddaughter | — | Maryland |
| 7 | Frank Yohn | 39 | Head | Farmer | Maryland |
| 8 | Sallie Yohn | 38 | Wife | — | Virginia |
| 9 | Phyllis Yohn | 12 | Daughter | — | Maryland |
| 10 | Archie Keefer | 52 | Head | Farmer | Maryland |
| 11 | Beattie Keefer | 45 | Wife | — | Maryland |
| 12 | John Keefer | 20 | Son | Mechanic | Maryland |
| 13 | Margaret Keefer | 14 | Daughter | — | Maryland |
| 14 | Russell A Keefer | 12 | Son | — | Maryland |
| 15 | Carl Keefer | 10 | Son | — | Maryland |
| 16 | Robert Keefer | 6 | Son | — | Maryland |
| 17 | Roger Keefer | 6 | Son | — | Maryland |
| 18 | Shirley Keefer | 4 | Daughter | — | Maryland |
| 19 | John H Robinson | 58 | Head | Farmer | Maryland |
| 20 | Mary Robinson | 54 | Wife | — | Maryland |
| 21 | Luella Robinson | 28 | Daughter | — | Maryland |
| 22 | Arnold Robinson | 20 | Son | Machinist | Maryland |
| 23 | Julia Robinson | 13 | Daughter | — | Maryland |
| 24 | Jane Robinson | 11 | Daughter | — | Maryland |
| 25 | Edgar Robinson | 9 | Son | — | Maryland |
| 26 | Bennett Stallings | 36 | Head | — | Maryland |
| 27 | Christie Stallings | 16 | Daughter | — | Maryland |
| 28 | Thomas Stallings | 13 | Son | — | Maryland |
| 29 | Melvin Stallings | 10 | Son | — | Maryland |
| 30 | Henry Stallings | 3 | Son | — | Maryland |
| 31 | Nellie Stallings | 0 | Daughter | — | Maryland |
| 32 | Clarence Monahan | 52 | Head | Merchant | Maryland |
| 33 | Carrie Monahan | 42 | Wife | — | Maryland |
| 34 | Catherine Gartrell | 72 | Housekeeper | — | Maryland |
| 35 | John H Brown | 72 | Head | Auctioneer | Maryland |
| 36 | Ida Brown | 70 | Wife | — | Maryland |
| 37 | Theodore Brown THIS PERSON | 35 | Head | Machinist | Maryland |
| 38 | Gertie E Brown | 38 | Wife | — | Maryland |
| 39 | Lilian Brown | 15 | Daughter | — | Maryland |
| 40 | Bettie Brown | 14 | Daughter | — | Maryland |
Pedigree Summary
Theodore
Gen 1 · 2 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)