MM
Mary Monroe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Mary Monroe across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Monroe |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 1 |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fred Monroe | Head | — | 55 | ~1885 |
| Mary Monroe | Daughter | — | 17 | ~1923 |
| Rosa Monroe | Daughter | — | 17 | ~1923 |
| Mesune Monroe | Daughter | — | 9 | ~1931 |
| Liza Monroe | Spouse | — | 54 | ~1886 |
| Fred Monroe | Son | — | 7 | ~1933 |
| Paul Monroe | Son | — | 8 | ~1932 |
| Bernice Monroe | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Caddo, Louisiana
Daughter, age 6
Caddo, Louisiana · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Monroe |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Daughter, age 17
Caddo-County, Louisiana · implied b. ~1923 — 8 household members
| Surname | Monroe |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Caddo |
| Hours Worked | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Mary Monroe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Monroe
Daughter · 1940 · age 17 · b. ~1923 · Louisiana
★ You are viewing this record
Sibling
Mesune Monroe
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Monroe
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Monroe
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Monroe
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Monroe
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01385-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Means | 21 | Head | Farmer | Louisiana |
| 2 | Addie Means | 19 | Wife | — | Louisiana |
| 3 | Bill Gray | 36 | Head | Farmer | Louisiana |
| 4 | Lizzy Gray | 27 | Wife | Farm Laborer | Louisiana |
| 5 | Mary White | 57 | Mother | Farm Laborer | Louisiana |
| 6 | Leon Brooks | 12 | Nephew | — | Louisiana |
| 7 | John Williams | 45 | Head | Farmer | Louisiana |
| 8 | Ruby Williams | 23 | Wife | Farm Laborer | Louisiana |
| 9 | Ruth Williams | 7 | Daughter | — | Louisiana |
| 10 | Mamie Nelson | 33 | Head | Farmer | Louisiana |
| 11 | Mattie Nelson | 18 | Daughter | — | Louisiana |
| 12 | Willie J Nelson | 17 | Son | Farm Laborer | Louisiana |
| 13 | Earnest Nelson | 11 | Son | — | Louisiana |
| 14 | Jimmie Nelson | 8 | Son | — | Louisiana |
| 15 | Roservelt Nelson | 4 | Son | — | Louisiana |
| 16 | Naoma Nelson | 2 | Daughter | — | Louisiana |
| 17 | Georgia Anderson | 48 | Head | Farmer | Louisiana |
| 18 | Mary Rainey | 15 | Daughter | — | Louisiana |
| 19 | Luther Anderson | 12 | Son | — | Louisiana |
| 20 | Hussie Anderson | 8 | Daughter | — | Louisiana |
| 21 | Betty Rotter | 3 | Granddaughter | — | Louisiana |
| 22 | Letha Lewis | 35 | Head | Farmer | Louisiana |
| 23 | Jimmy Moses | 20 | Son | Farm Laborer | Louisiana |
| 24 | Delia Moses | 18 | Daughter-in-law | Farm Laborer | Louisiana |
| 25 | Fred Monroe | 55 | Head | Farmer | Texas |
| 26 | Liza Monroe | 54 | Wife | Farm Laborer | Louisiana |
| 27 | Mary Monroe THIS PERSON | 17 | Daughter | — | Louisiana |
| 28 | Rosa Monroe | 17 | Daughter | — | Louisiana |
| 29 | Bernice Monroe | 10 | Daughter | — | Louisiana |
| 30 | Mesune Monroe | 9 | Daughter | — | Louisiana |
| 31 | Paul Monroe | 8 | Son | — | Louisiana |
| 32 | Fred Jr Monroe | 7 | Son | — | Louisiana |
| 33 | Lee Moore | 47 | Head | Farmer | Louisiana |
| 34 | Mary Moore | 54 | Wife | Farm Laborer | Louisiana |
| 35 | H P Moore | 22 | Son | Farm Laborer | Louisiana |
| 36 | Ethel Moore | 21 | Daughter-in-law | Farm Laborer | Louisiana |
| 37 | L G Moore | 18 | Son | — | Louisiana |
| 38 | Willie M Moore | 16 | Son | — | Louisiana |
| 39 | Luther Moore | 15 | Son | — | Louisiana |
| 40 | Willie G Moore | 14 | Daughter | — | Louisiana |
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)