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Elizabeth Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Mary-County, Louisiana
Our Model Tree links this Elizabeth Alexander across the 1930 and 1940 US Censuses in St.-Mary-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Mary-County, Louisiana |
| Surname | Alexander |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | St Peter Section to Murphy Section |
| 1935 Residence (County) | St Mary |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | St Peter Section To Murphy Section |
| Est. Birth Year | ~1924 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Mathew Peterson | Other | — | 23 | ~1917 |
| Raymond Alexander | Son | — | 24 | ~1916 |
| Namon Alexander | Son | — | 15 | ~1925 |
| Royland Alexander | Son | — | 22 | ~1918 |
| Floyd Alexander | Son | — | 19 | ~1921 |
| Elizabeth Alexander | Spouse | — | 47 | ~1893 |
| Elizabeth Alexander | Daughter | — | 16 | ~1924 |
| Namon Alexander | Head | — | 50 | ~1890 |
Census Appearances
1930
St Mary, …
Daughter, age 6
St Mary, Louisiana · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Mary-County, Louisiana
Daughter, age 16
St.-Mary-County, Louisiana · implied b. ~1924 — 8 household members
| Surname | Alexander |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | St Peter Section to Murphy Section |
| 1935 Residence (County) | St Mary |
| Highest Grade | No 6 |
| 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 Elizabeth Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Alexander
Daughter · 1940 · age 16 · b. ~1924 · Louisiana
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Sibling
Royland Alexander
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Alexander
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Alexander
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Namon Alexander
Sibling · 1940 · age 15
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 — St.-Mary-County, Louisiana
Open full size
1940 US Federal Census — St.-Mary-County, Louisiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01454-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Pepper | 71 | Head | Farm Op. | Louisiana |
| 2 | Gertrude Pepper | 59 | Wife | — | Louisiana |
| 3 | Edison Pepper | 36 | Son | Farm Labor | Louisiana |
| 4 | Murphy Pepper | 24 | Son | Farm Labor | Louisiana |
| 5 | Elodie Hebert | 54 | Head | — | Louisiana |
| 6 | Clarence Pepper | 29 | Head | Farm Labor | Louisiana |
| 7 | Henrietta Pepper | 24 | Wife | — | Louisiana |
| 8 | Rose Mary Pepper | 4 | Daughter | — | Louisiana |
| 9 | Richard Pepper | 27 | Head | Farm Labor | Louisiana |
| 10 | Nina Pepper | 27 | Wife | — | Louisiana |
| 11 | Malvert Pepper | 48 | Head | Farm Labor | Louisiana |
| 12 | Ida Pepper | 44 | Wife | — | Louisiana |
| 13 | Irvin Pepper | 19 | Son | Farm Labor | Louisiana |
| 14 | Floyd Pepper | 16 | Son | Farm Labor | Louisiana |
| 15 | Preston Pepper | 13 | Son | — | Louisiana |
| 16 | Malvert Jr Pepper | 11 | Son | — | Louisiana |
| 17 | Dudley Pepper | 9 | Son | — | Louisiana |
| 18 | Audrey Pepper | 6 | Daughter | — | Louisiana |
| 19 | Allen Pepper | 3 | Son | — | Louisiana |
| 20 | Shirley Pepper | 1 | Daughter | — | Louisiana |
| 21 | Eddie Markr | 31 | Head | Farm Labor | Louisiana |
| 22 | Elvira Markr | 26 | Wife | — | Louisiana |
| 23 | Theresa Markr | 9 | Daughter | — | Louisiana |
| 24 | Luthra Markr | 7 | Daughter | — | Louisiana |
| 25 | Eddie Jr Markr | 6 | Son | — | Louisiana |
| 26 | Joseph Markr | 3 | Son | — | Louisiana |
| 27 | Mary Markr | 2 | Daughter | — | Louisiana |
| 28 | Nashon Markr | 1 | Son | — | Louisiana |
| 29 | Namon Alexander | 50 | Head | Carpenter | Louisiana |
| 30 | Elizabeth Alexander | 47 | Wife | — | Louisiana |
| 31 | Raymond Alexander | 24 | Son | Helper Carpenter | Louisiana |
| 32 | Royland Alexander | 22 | Son | Farm Labor | Louisiana |
| 33 | Floyd Alexander | 19 | Son | Helper Carpenter | Louisiana |
| 34 | Elizabeth Alexander THIS PERSON | 16 | Daughter | — | Louisiana |
| 35 | Mathew Peterson | 23 | Son Law | Farm Labor | Louisiana |
| 36 | Namon Jr Alexander | 15 | Son | — | Louisiana |
| 37 | Walter Pepper | 48 | Head | Farm Op. | Louisiana |
| 38 | Cecile Pepper | 44 | Wife | — | Louisiana |
| 39 | Rogers Mezzino | 57 | Head | Farm Op. | Louisiana |
Related Census Records
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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)