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Effie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Effie Brown across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Brown |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Saw operator |
| Industry | Baking Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Saw Operator |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Effie | Age | Birth yr |
|---|---|---|---|---|
| George Brown | Son | — | 7 | ~1933 |
| Dean Brown | Daughter | — | 5 | ~1935 |
| Ben Brown | Son | — | 18 | ~1922 |
| Joyce Brown | Daughter | — | 5 | ~1935 |
| Ben Brown | Head | — | 38 | ~1902 |
| Roberta Brown | Daughter | — | 9 | ~1931 |
| Effie Brown | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Hamilton, Ohio
Other, age 23
Hamilton, Ohio · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Effie |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hamilton-County, Ohio
Spouse, age 33
Hamilton-County, Ohio · implied b. ~1907 — 7 household members
| Surname | Brown |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Saw operator |
| Industry | Baking Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Effie Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Effie Brown
Spouse · 1940 · age 33 · b. ~1907 · Ohio
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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
40 people indexed on this census page (nara:1940:m-t0627-03201-00544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harden Pike | 27 | Head | Laborer | Kentucky |
| 2 | Mary E. Pike | 25 | Wife | — | Kentucky |
| 3 | Patsy Jo Pike | 2 | Daughter | — | Kentucky |
| 4 | Charles Van Zandt | 70 | Head | — | Indiana |
| 5 | Jenny E. Van Zandt | 78 | Sister | — | Indiana |
| 6 | Ben Brown | 38 | Head | Office Work | Kentucky |
| 7 | Effie Brown THIS PERSON | 33 | Wife | Saw Operator | Kentucky |
| 8 | Ben Jr. Brown | 18 | Son | — | Kentucky |
| 9 | Roberta Brown | 9 | Daughter | — | Ohio |
| 10 | George W. Brown | 7 | Son | — | Ohio |
| 11 | Joyce Brown | 5 | Daughter | — | Ohio |
| 12 | Dean Brown | 5 | Daughter | — | Ohio |
| 13 | Louis Gretwell | 45 | Head | Mechanic | Ohio |
| 14 | Mary Gretwell | 40 | Wife | — | Kentucky |
| 15 | Harvey Gretwell | 18 | Son | Truck Machine | Ohio |
| 16 | Lewis D. Tolbert | 42 | Lodger | New Worker | Kentucky |
| 17 | Sally Quilling | 80 | Mother | — | Kentucky |
| 18 | John C. Thompson | 65 | Head | Salesman | Ohio |
| 19 | Florence K. Thompson | 55 | Wife | — | Ohio |
| 20 | Elmer J. Bartel | 31 | Head | Clerk | Wisconsin |
| 21 | Lydia L. Bartel | 27 | Wife | Clerk | Wisconsin |
| 22 | Faith Bartel | 7 | Daughter | — | Wisconsin |
| 23 | Frederick Bartel | 6 | Son | — | Wisconsin |
| 24 | August Ebert | 75 | Lodger | — | Wisconsin |
| 25 | Clarence Haubner | 31 | Head | Upholsterer | Illinois |
| 26 | Nona Haubner | 29 | Wife | Stationary Engineer | Illinois |
| 27 | Clarence E. Haubner | 3 | Son | — | Illinois |
| 28 | Helen Haubner | 22 | Sister | — | Missouri |
| 29 | Lester Haubner | 28 | Brother | Fireman | Illinois |
| 30 | Fanny Gardner | 59 | Head | — | Kentucky |
| 31 | Geneva Gardner | 18 | Daughter | — | Ohio |
| 32 | Joseph Benapple | 50 | Head | Sailor | Ohio |
| 33 | Anne Benapple | 50 | Wife | — | Ohio |
| 34 | Howard Gerhardt | 30 | Head | Machinist | Ohio |
| 35 | Elvira Gerhardt | 25 | Wife | Office Work | Ohio |
| 36 | Henry Pieper | 86 | Father-in-law | — | Germany |
| 37 | Clarence B. Fillvpill | 53 | Head | Fireman | Illinois |
| 38 | Elizabeth Fillvpill | 50 | Wife | — | Indiana |
| 39 | William C. Fillvpill | 30 | Son | Office Work | Ohio |
| 40 | Verna E. Fillvpill | 21 | Daughter | — | Ohio |
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)