AB
Andrew Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Andrew Brown across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Adam & Mary — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Brown |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Marion Brown | Daughter | — | 18 | ~1922 |
| Adam Brown | Head | — | 57 | ~1883 |
| Andrew Brown | Son | — | 21 | ~1919 |
| Walter Brown | Son | — | 7 | ~1933 |
| Mary Brown | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Andrew S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 21
Hamilton-County, Ohio · implied b. ~1919 — 5 household members
| Surname | Brown |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Andrew Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adam Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adam Brown
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Brown
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Marion Brown
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Brown
Sibling · 1940 · age 7
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
22 people indexed on this census page (nara:1940:m-t0627-03201-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Keller | 20 | Wife | — | Ohio |
| 42 | Allene Warner | 21 | Boarder | — | Ohio |
| 43 | Paul F. Ringland | 57 | Head | Clerical | Illinois |
| 44 | Hazel H. Ringland | 52 | Wife | Accountant | Ohio |
| 45 | Mary J. Ringland | 24 | Daughter | — | Ohio |
| 46 | Hope Ringland | 16 | Daughter | — | Ohio |
| 47 | Clifford Mccord | 22 | Head | Coal Worker | Ohio |
| 48 | Velba Mccord | 21 | Wife | — | Ohio |
| 49 | Adam Kuhn | 44 | Head | Distributor | Ohio |
| 50 | Edna Kuhn | 52 | Wife | — | Ohio |
| 51 | Fred Kuhn | 19 | Son | — | Ohio |
| 52 | Charles Diebel | 60 | Head | New Worker | Ohio |
| 53 | Katherine Diebel | 61 | Wife | — | Ohio |
| 54 | Adam Brown | 57 | Head | Sewing | Scotland |
| 55 | Mary Brown | 50 | Wife | Machinist | Scotland |
| 56 | Andrew Brown THIS PERSON | 21 | Son | — | Ohio |
| 57 | Marion Brown | 18 | Daughter | Billing Clerk | Ohio |
| 58 | Walter Brown | 7 | Son | Clerk | Ohio |
| 59 | Walter Foster | 34 | Head | Sawyer | Kentucky |
| 60 | Bessie Foster | 32 | Wife | — | Kentucky |
| 61 | Walter D. Foster | 5 | Son | — | Ohio |
| 62 | Anna Adams | 72 | Head | — | Kentucky |
Pedigree Summary
Andrew + 2 siblings
Gen 1 · 3 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)