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James Mann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ouachita-County, Louisiana
Our Model Tree links this James Mann across the 1930 and 1940 US Censuses in Ouachita-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ouachita-County, Louisiana |
| Surname | Mann |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Monroe City |
| 1935 Residence (County) | Ouachita |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Monroe City |
| Est. Birth Year | ~1925 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Elbert Clower | Head | — | 46 | ~1894 |
| James Clower | Son | — | 13 | ~1927 |
| Margurite Clower | Daughter | — | 15 | ~1925 |
| Lettie Clower | Spouse | — | 42 | ~1898 |
| Ernest Clower | Son | — | 18 | ~1922 |
| James Mann | Son | — | 15 | ~1925 |
| Elbert Clower | Son | — | 19 | ~1921 |
Census Appearances
1930
Ouachita, Louisiana
Son, age 5
Ouachita, Louisiana · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Ouachita-County, Louisiana
Son, age 15
Ouachita-County, Louisiana · implied b. ~1925 — 7 household members
| Surname | Mann |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Monroe City |
| 1935 Residence (County) | Ouachita |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 James Mann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mann
Son · 1940 · age 15 · b. ~1925 · Louisiana
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Sibling
Ernest Clower
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margurite Clower
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elbert Clower
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clower
Sibling · 1940 · age 13
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 — Ouachita-County, Louisiana
Open full size
1940 US Federal Census — Ouachita-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01437-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Davis | 27 | Head | Ice Salesman | Texas |
| 2 | Ruth Davis | 27 | Wife | Saleslady | Texas |
| 3 | Jerry Davis | 4 | Son | — | Louisiana |
| 4 | Sara H. Mc Leland | 67 | Mother-in-law | — | Louisiana |
| 5 | John D. Carr | 68 | Head | — | Kentucky |
| 6 | Sadie Carr | 65 | Wife | — | Mississippi |
| 7 | Elbert B. Clower | 46 | Head | Owner-Operator Cleaner | Arkansas |
| 8 | Lettie Clower | 42 | Wife | Seamstress | Mississippi |
| 9 | Elbert B. Jr Clower | 19 | Son | Deliveryman | Louisiana |
| 10 | Ernest E. Clower | 18 | Son | Deliveryman | Louisiana |
| 11 | Margurite B. Clower | 15 | Daughter | — | Louisiana |
| 12 | James K. Clower | 13 | Son | — | Louisiana |
| 13 | James R. Mann THIS PERSON | 15 | Son | — | Louisiana |
| 14 | Ethel Rocha | 42 | Head | Seamstress | Mississippi |
| 15 | William E. Rocha | 18 | Son | — | Louisiana |
| 16 | Lee C. Sizemore | 68 | Head | Nightwatchman | Louisiana |
| 17 | Nellie Sizemore | 61 | Wife | — | Louisiana |
| 18 | Curtis M. Sizemore | 19 | Son | Repair Man | Louisiana |
| 19 | Henry Williamson | 54 | Head | Farmer | Mississippi |
| 20 | Anna Williamson | 52 | Wife | — | Missouri |
| 21 | Jack P. Pogue | 21 | Step-son | Installation Man | Arkansas |
| 22 | William H. Pogue | 16 | Step-son | — | Arkansas |
| 23 | Robert N. Colvin | 32 | Head | Outside Salesman | Louisiana |
| 24 | Mary E. Colvin | 26 | Wife | — | Louisiana |
| 25 | Elizabeth A. Colvin | 5 | Daughter | — | Louisiana |
| 26 | John F. Moore | 46 | Head | Heading Inspector | Illinois |
| 27 | Callie Moore | 42 | Wife | — | Mississippi |
| 28 | L. Richard Clark | 31 | Head | Bricklayer | Texas |
| 29 | Margie Clark | 33 | Wife | — | Texas |
| 30 | Bessie C. Jackson | 52 | Head | — | Louisiana |
| 31 | Joshua Harrington | 53 | Head | Welder | Mississippi |
| 32 | Hattie C. Harrington | 48 | Wife | — | Mississippi |
| 33 | Elizabeth Harrington | 16 | Daughter | Office Girl | Louisiana |
| 34 | Robert Anderson | 40 | Head | Machinist Helper | Mississippi |
| 35 | Opal L. Anderson | 35 | Wife | — | Missouri |
| 36 | Odell Anderson | 17 | Daughter | Delivery Boy | Louisiana |
| 37 | Elaine Anderson | 14 | Daughter | — | Louisiana |
| 38 | Robert Jr. Anderson | 9 | Son | — | Louisiana |
| 39 | Delbert Anderson | 3 | Son | — | Louisiana |
| 40 | Thomas Anderson | 1 | Son | — | 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)