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Mary Harrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Tammany-County, Louisiana
Our Model Tree links this Mary Harrison across the 1930 and 1940 US Censuses in St.-Tammany-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 13-person household.
Age 38
b. ~1902
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Tammany-County, Louisiana |
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 8th Ward |
| 1935 Residence (County) | St Tammany |
| Additional Details | |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | 8Th Ward |
| Est. Birth Year | ~1902 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Harrison | Daughter | — | 1 | ~1939 |
| Clotile Harrison | Daughter | — | 8 | ~1932 |
| Margie Harrison | Daughter | — | 2 | ~1938 |
| Vera Harrison | Daughter | — | 11 | ~1929 |
| Calvin Harrison | Head | — | 40 | ~1900 |
| Calvin Harrison | Son | — | 7 | ~1933 |
| Thomas Harrison | Son | — | 10 | ~1930 |
| Simon Harrison | Son | — | 4 | ~1936 |
| Henry Harrison | Son | — | 21 | ~1919 |
| Solomon Harrison | Son | — | 4 | ~1936 |
| Emanuel Harrison | Son | — | 6 | ~1934 |
| Leroy Harrison | Son | — | 20 | ~1920 |
| Mary Harrison | Spouse | — | 38 | ~1902 |
Census Appearances
1930
St Tammany, …
Spouse, age 24
St Tammany, Louisiana · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 17 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Tammany-County, Louisiana
Spouse, age 38
St.-Tammany-County, Louisiana · implied b. ~1902 — 13 household members
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | 8th Ward |
| 1935 Residence (County) | St Tammany |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 Mary Harrison across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harrison
Spouse · 1940 · age 38 · b. ~1902 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Tammany-County, Louisiana
Open full size
1940 US Federal Census — St.-Tammany-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01455-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Provost | 1 | Son | — | Louisiana |
| 42 | Raymond Crawford | 57 | Head | Farm Hand | Louisiana |
| 43 | Josephine Crawford | 53 | Wife | — | Louisiana |
| 44 | Willie Crawford | 20 | Son | — | Louisiana |
| 45 | Freddie Crawford | 19 | Son | — | Louisiana |
| 46 | May Crawford | 16 | Daughter | — | Louisiana |
| 47 | John Crawford | 15 | Son | — | Louisiana |
| 48 | Anna Crawford | 35 | Daughter | Cook | Louisiana |
| 49 | Erline Crawford | 1 | Granddaughter | — | Louisiana |
| 50 | Mose Crawford | 58 | Head | Watchman | Louisiana |
| 51 | Lauretta Crawford | 60 | Wife | — | Louisiana |
| 52 | Joseph C. Crawford | 10 | Grandson | — | Louisiana |
| 53 | Horace Wells | 44 | Head | Caretaker | Mississippi |
| 54 | Mary Wells | 38 | Wife | — | Louisiana |
| 55 | Joseph Provost | 62 | Head | Laborer | Louisiana |
| 56 | Elmo Provost | 29 | Son | — | Louisiana |
| 57 | Angeline Smith | 67 | Head | — | Louisiana |
| 58 | Julius Smith | 25 | Son | Laborer | Louisiana |
| 59 | Easter Mae Smith | 16 | Daughter-in-law | — | Louisiana |
| 60 | Calvin Harrison | 40 | Head | Laborer | Louisiana |
| 61 | Mary Harrison THIS PERSON | 38 | Wife | — | Louisiana |
| 62 | Henry Harrison | 21 | Son | Laborer | Louisiana |
| 63 | Leroy Harrison | 20 | Son | — | Louisiana |
| 64 | Vera Harrison | 11 | Daughter | — | Louisiana |
| 65 | Thomas Harrison | 10 | Son | — | Louisiana |
| 66 | Clotile Harrison | 8 | Daughter | — | Louisiana |
| 67 | Calvin Jr. Harrison | 7 | Son | — | Louisiana |
| 68 | Emanuel Harrison | 6 | Son | — | Louisiana |
| 69 | Simon Harrison | 4 | Son | — | Louisiana |
| 70 | Solomon Harrison | 4 | Son | — | Louisiana |
| 71 | Margie Harrison | 2 | Daughter | — | Louisiana |
| 72 | Geraldine Harrison | 1 | Daughter | — | Louisiana |
| 73 | Thomas Alfred | 48 | Head | Farmer | Louisiana |
| 74 | Eloise Alfred | 29 | Wife | — | Louisiana |
| 75 | Delores Alfred | 8 | Daughter | — | Louisiana |
| 76 | Mary Louise Alfred | 6 | Daughter | — | Louisiana |
| 77 | Anna Belle Alfred | 4 | Daughter | — | Louisiana |
| 78 | Stanley Alfred | 2 | Son | — | Louisiana |
| 79 | Lawrence Alfred | 12 | Nephew | — | Louisiana |
| 80 | Alexander Harrison | 39 | Head | Laborer | Louisiana |
Related Census Records
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)