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Effie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Effie Brown across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Brown |
| Given Name | Effie M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | dressmaker |
| Industry | own home |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 894 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Dressmaker |
| Township / Ward | Washington |
| Est. Birth Year | ~1900 |
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 Effie | Age | Birth yr |
|---|---|---|---|---|
| Lois Brown | Daughter | — | 16 | ~1924 |
| Harvey Brown | Head | — | 47 | ~1893 |
| Effie Brown | Spouse | — | 40 | ~1900 |
| Marjorie Brown | Daughter | — | 15 | ~1925 |
Census Appearances
1930
None, District …
Spouse, age 30
None, District of Columbia · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Effie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
District-Of-Columbia-County, District …
Spouse, age 40
District-Of-Columbia-County, District of Columbia · implied b. ~1900 — 4 household members
| Surname | Brown |
| Given Name | Effie M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | dressmaker |
| Industry | own home |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 894 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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.
Show:
This person
Anchor record
Effie Brown
Spouse · 1940 · age 40 · b. ~1900 · District of Columbia
★ 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 — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-00565-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey M Brown | 47 | Head | Bus Operator | Virginia |
| 42 | Effie M Brown THIS PERSON | 40 | Wife | Dressmaker | Virginia |
| 43 | Lois Brown | 16 | Daughter | — | D.C. |
| 44 | Marjorie Brown | 15 | Daughter | — | D.C. |
| 45 | Lucy F Pherrill | 30 | Head | Office Clerk | Virginia |
| 46 | Jean L Pherrill | 12 | Daughter | — | Louisiana |
| 47 | Maude K Teachout | 34 | Partner | Office Clerk | Vermont |
| 48 | Robert B Gallagher | 24 | Head | Salesman | Maryland |
| 49 | Elizabeth Gallagher | 22 | Wife | — | Maryland |
| 50 | Ambrose N Martin | 50 | Head | Office Clerk | Maryland |
| 51 | Trevor Jones | 38 | Brother-in-law | Salesman | Wales |
| 52 | Bernadette Jones | 40 | Sister | Office Clerk | Maryland |
| 54 | James C Kraft | 53 | Head | General Manager | D.C. |
| 55 | Madeline B Kraft | 53 | Wife | — | D.C. |
| 56 | Clinton Kraft | 23 | Son | Office Clerk | D.C. |
| 57 | Francis B Kraft | 17 | Son | — | D.C. |
| 58 | George B Datmann | 45 | Brother-in-law | — | D.C. |
| 59 | Nicholas O Dean | 23 | Lodger | Mechanic | Virginia |
| 60 | John W Trax Donald | 45 | Head | Fireman | Canada-English |
| 61 | Anna C Trax Donald | 38 | Wife | — | D.C. |
| 62 | John B Trax Donald | 13 | Son | — | D.C. |
| 63 | Mary Corcoran | 52 | Lodger | Office Clerk | Pennsylvania |
| 64 | William A Murray | 70 | Head | Dentist | Georgia |
| 65 | Joseph D Verrilli | 42 | Son-in-law | Corporal | New York |
| 66 | Lucia A Verrilli | 35 | Daughter | Clerk-Typist | D.C. |
| 67 | Jessie R Verrilli | 7 | Granddaughter | — | D.C. |
| 68 | Joseph D Jr Verrilli | 4 | Grandson | — | D.C. |
| 69 | Mary Mccullough | 45 | Servant | Servant | Pennsylvania |
| 70 | Eldene M Ribby | 70 | Head | — | New York |
| 71 | Vera M Ribby | 38 | Daughter | — | D.C. |
| 72 | Carlos P Romulo | 18 | Son | — | New York |
| 73 | Harriett E Watts | 25 | Lodger | Typist | Illinois |
| 74 | Margaret E Bramhall | 25 | Lodger | Typist | Missouri |
| 75 | E Lodger Malcolm | 22 | Lodger | Typist | Oklahoma |
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)