WP
William Pierce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · East-Baton-Rouge-County, Louisiana
Our Model Tree links this William Pierce across the 1930 and 1940 US Censuses in East-Baton-Rouge-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | East-Baton-Rouge-County, Louisiana |
| Surname | Pierce |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Baton Rouge City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Eula Pierce | Daughter | — | 12 | ~1928 |
| Robert Pierce | Head | — | 46 | ~1894 |
| James Pierce | Son | — | 15 | ~1925 |
| Robert Pierce | Son | — | 9 | ~1931 |
| William Pierce | Son | — | 17 | ~1923 |
| Aliska Pierce | Spouse | — | 45 | ~1895 |
Census Appearances
1930
East Baton …
Son, age 7
East Baton Rouge, Louisiana · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Son, age 17
East-Baton-Rouge-County, Louisiana · implied b. ~1923 — 6 household members
| Surname | Pierce |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Hours Worked | 6 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| 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 William Pierce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Pierce
Son · 1940 · age 17 · b. ~1923 · Louisiana
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Sibling
Eula Pierce
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Pierce
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Pierce
Sibling · 1940 · age 9
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 — East-Baton-Rouge-County, Louisiana
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1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01396-00815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jesse W. Fairchild | 54 | Head | Butcher | Louisiana |
| 42 | Eugene Fairchild | 23 | Wife | — | Louisiana |
| 43 | Margaret A. Fairchild | 2 | Daughter | — | Louisiana |
| 44 | Billie E. Fairchild | 1 | Daughter | — | Louisiana |
| 45 | Henry H. Fairchild | 24 | Brother | Butcher | Louisiana |
| 46 | Francis Rodrigue | 19 | Lodger | — | Louisiana |
| 47 | Ernest A. Thompson | 74 | Head | Pipefitter | Louisiana |
| 48 | Millie Thompson | 70 | Wife | — | Louisiana |
| 49 | Anthony Noto | 46 | Head | Cobbler | Italy |
| 50 | Robert J. Pierce | 46 | Head | Barber | Louisiana |
| 51 | Aliska Pierce | 45 | Wife | — | Louisiana |
| 52 | William J. Pierce THIS PERSON | 17 | Son | — | Louisiana |
| 53 | James D. Pierce | 15 | Son | — | Louisiana |
| 54 | Eula M. Pierce | 12 | Daughter | — | Louisiana |
| 55 | Robert J. Jr. Pierce | 9 | Son | — | Louisiana |
| 56 | Alvin M. Landry | 31 | Head | Barber | Louisiana |
| 57 | Ealine Landry | 34 | Wife | — | Louisiana |
| 58 | Alvin M. Jr. Landry | 8 | Son | — | Louisiana |
| 59 | Shirley M. Landry | 7 | Daughter | — | Louisiana |
| 60 | C. Tugue | 73 | Head | — | Louisiana |
| 61 | Kate Tugue | 74 | Wife | — | Louisiana |
| 62 | Josephine Lieux | 60 | Head | — | Louisiana |
| 63 | Gladys Lieux | 32 | Daughter | — | Louisiana |
| 64 | Hubert Lieux | 26 | Son | Salesman | Louisiana |
| 65 | Audrey Lieux | 20 | Daughter | Operator | Louisiana |
| 66 | Ella Costley | 75 | Head | — | Mississippi |
| 67 | Myrtis Alexander | 46 | Daughter | Maid | Mississippi |
| 68 | Peter Roberts | 40 | Head | Laborer | Louisiana |
| 69 | Olivia Roberts | 34 | Wife | — | Louisiana |
| 70 | Mary K. Roberts | 26 | Daughter | Maid | Louisiana |
| 71 | Earnest Roberts | 18 | Grandson | Bus Driver | Louisiana |
| 72 | Lanza Davis | 25 | Head | Laborer | Louisiana |
| 73 | Bister Davis | 22 | Wife | — | Louisiana |
| 74 | Elizabeth Davis | 2 | Daughter | — | Louisiana |
| 75 | Charley Mitchell | 50 | Head | Maid | Mississippi |
| 76 | Olie Mitchell | 41 | Wife | Laborer | Louisiana |
| 77 | Stewart B. Falcon | 26 | Head | Hair Dresser | Louisiana |
| 78 | Cecile Falcon | 23 | Wife | Assistant Engineer | Louisiana |
| 79 | Stewart B. Jr. Falcon | 2 | Son | — | Louisiana |
| 80 | Heather A. Falcon | 1 | 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)