IB
Irene Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mobile-County, Alabama
Our Model Tree links this Irene Brown across the 1930 and 1940 US Censuses in Mobile-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mobile-County, Alabama |
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Mobile City |
| 1935 Residence (County) | Mobile |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Mobile City |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Irene | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Daughter | — | 16 | ~1924 |
| Pearl Brown | Daughter | — | 3 | ~1937 |
| Willie Brown | Daughter | — | 8 | ~1932 |
| Irene Brown | Daughter | — | 11 | ~1929 |
| Liza Brown | Head | — | 30 | ~1910 |
| Willie Brown | Son | — | 8 | ~1932 |
| Harold Brown | Son | — | 6 | ~1934 |
| Henry Brown | Son | — | 13 | ~1927 |
| Edgar Brown | Son | — | 15 | ~1925 |
| Ed Brown | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Mobile, Alabama
Daughter, age 1
Mobile, Alabama · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Mobile-County, Alabama
Daughter, age 11
Mobile-County, Alabama · implied b. ~1929 — 10 household members
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Mobile City |
| 1935 Residence (County) | Mobile |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Irene Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Irene Brown
Daughter · 1940 · age 11 · b. ~1929 · Alabama
★ You are viewing this record
Sibling
Harold Brown
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Brown
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Brown
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Brown
Sibling · 1940 · age 8
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 — Mobile-County, Alabama
Open full size
1940 US Federal Census — Mobile-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00064-00836)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillie Peoples | 38 | Head | Laundress | Alabama |
| 2 | Harvey Peoples | 20 | Son | Porter | Alabama |
| 3 | Robert Peoples | 15 | Son | Delivery Boy | Alabama |
| 4 | Ida Mae Peoples | 13 | Daughter | — | Alabama |
| 5 | Norman Junior Jefferson | 37 | Head | Chauffeur | Alabama |
| 6 | Louise Jefferson | 37 | Wife | Seamstress | Alabama |
| 7 | Aggie Washington | 24 | Head | — | Alabama |
| 8 | Mary Grace | 40 | Head | Nursemaid | Mississippi |
| 9 | Julie Grace | 13 | Daughter | — | Mississippi |
| 10 | John Gray | 35 | Head | Laborer | Alabama |
| 11 | Mary Gray | 39 | Wife | Cook | Alabama |
| 12 | Felton Gray | 16 | Son | Deliveryman | Oklahoma |
| 13 | Mary Thapen | 45 | Head | Laundress | Alabama |
| 14 | Juanita Thapen | 12 | Daughter | — | Alabama |
| 15 | Minnie Washington | 8 | Grandson | — | Alabama |
| 16 | George Washington | 6 | Grandson | — | Alabama |
| 17 | Essie Washington | 3 | Granddaughter | — | Alabama |
| 18 | Liza Brown | 30 | Head | Servant | Alabama |
| 19 | Ed Brown | 31 | Husband | — | Alabama |
| 20 | Edgar Brown | 15 | Son | Odd Laborer | Alabama |
| 21 | Mary Brown | 16 | Daughter | — | Alabama |
| 22 | Henry Brown | 13 | Son | — | Alabama |
| 23 | Irene Brown THIS PERSON | 11 | Daughter | — | Alabama |
| 24 | Willie Mae Brown | 8 | Daughter | — | Alabama |
| 25 | Willie M. Brown | 8 | Son | — | Alabama |
| 26 | Harold Brown | 6 | Son | — | Alabama |
| 27 | Pearl Brown | 3 | Daughter | — | Alabama |
| 28 | Julia Mcintosh | 67 | Head | — | Alabama |
| 29 | Mary Brown | 27 | Daughter | Cook | Alabama |
| 30 | Sarah Williams | 17 | Granddaughter | Maid | Alabama |
| 31 | Nannie Johnson | 32 | Head | Cook | Alabama |
| 32 | Nannie Kimborough | 54 | Mother | Laundress | Alabama |
| 33 | Robert Cooper | 17 | Grandson | — | Alabama |
| 34 | Collean Harris | 52 | Head | Servant | Alabama |
| 35 | Johnnie Brown | 40 | Roomer | Insurance Agent | Mississippi |
| 36 | Phyllis Brown | 30 | Wife | — | Mississippi |
| 37 | James Brown | 11 | Son | — | Mississippi |
| 38 | Evelyn Brown | 10 | Daughter | — | Mississippi |
| 39 | Hattie Lee Brown | 7 | Daughter | — | Mississippi |
| 40 | Bernice Brown | 6 | Daughter | — | Alabama |
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)