JC
John Crosby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this John Crosby across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Crosby |
| Given Name | John L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Shreveport City |
| Additional Details | |
| Highest Grade | No 2 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Shreveport City |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Crosby | Son | — | 12 | ~1928 |
| Jo Crosby | Daughter | — | 5 | ~1935 |
| Jennie Crosby | Head | — | 34 | ~1906 |
| Maxine Crosby | Daughter | — | 9 | ~1931 |
| Betty Crosby | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Caddo, Louisiana
Son, age
Caddo, Louisiana · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| 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
Son, age 12
Caddo-County, Louisiana · implied b. ~1928 — 5 household members
| Surname | Crosby |
| Given Name | John L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Shreveport City |
| Highest Grade | No 2 |
| 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 John Crosby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Crosby
Son · 1940 · age 12 · b. ~1928 · Louisiana
★ You are viewing this record
Sibling
Maxine Crosby
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jo Crosby
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Crosby
Sibling · 1940 · age 2
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-t0627-01386-00837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Anderson | 33 | wife | H | Louisiana |
| 2 | Dennis Anderson | 17 | son | Delivery Boy | Louisiana |
| 3 | Jennie Crosby | 34 | head | Servant | Louisiana |
| 4 | John L Crosby THIS PERSON | 12 | son | — | Louisiana |
| 5 | Maxine Crosby | 9 | daughter | — | Louisiana |
| 6 | Jo Ann Crosby | 5 | daughter | — | Louisiana |
| 7 | Betty Crosby | 2 | daughter | — | Louisiana |
| 8 | Sallie Green | 65 | head | — | Louisiana |
| 9 | Mary Reed | 70 | sister | — | Louisiana |
| 10 | Earnest E Turner | 36 | head | Office Porter | Texas |
| 11 | Alice Turner | 33 | wife | — | Louisiana |
| 12 | Earnest Jr Turner | 10 | son | — | Louisiana |
| 13 | Willie Ruth Turner | 7 | daughter | — | Louisiana |
| 14 | Primith Smith | 46 | head | Yard Man | Louisiana |
| 15 | Sadie Smith | 48 | wife | Maid | Louisiana |
| 16 | Willie Brooks | 37 | head | Truck Driver | Texas |
| 17 | Jamie Brooks | 33 | wife | — | Louisiana |
| 18 | Kellog Underwood | 64 | head | Nose Keeper | Louisiana |
| 19 | — | None | — | — | — |
| 20 | Clara Knox | 46 | head | Servant | Texas |
| 21 | Lula Salisbury | 44 | lodger | Servant | Louisiana |
| 22 | Jack Anise | 46 | head | Laborer | Louisiana |
| 23 | Marguerite Anise | 27 | wife | — | Louisiana |
| 24 | Hardy Brown | 29 | head | Laborer | Louisiana |
| 25 | Hattie Mae Brown | 18 | wife | — | Louisiana |
| 26 | Ivory James | 39 | head | Servant | Louisiana |
| 27 | Jimmie James | 40 | wife | Laborer | Louisiana |
| 28 | Arleada Armstead | 22 | daughter | Servant | Louisiana |
| 29 | Addie Johnson | 65 | head | Laundress | Louisiana |
| 30 | Elray Terry | 27 | head | Office Building | Louisiana |
| 31 | Charlie Williams | 59 | head | Janitor | Louisiana |
| 32 | Katie Williams | 44 | wife | — | Louisiana |
| 33 | Leon Broussard | 40 | head | Helper | Louisiana |
| 34 | Verdie Broussard | 38 | wife | — | Louisiana |
| 35 | Wanda Broussard | 15 | daughter | — | Louisiana |
| 36 | Verdie Ann Broussard | 14 | daughter | — | Louisiana |
| 37 | Gloria Mae Broussard | 12 | daughter | — | Louisiana |
| 38 | Lucille Broussard | 10 | daughter | — | Louisiana |
| 39 | Leon Jr Broussard | 8 | son | — | Louisiana |
| 40 | Precious Ann Broussard | 6 | 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)