MS
Mary Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this Mary Simpson across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1892 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Lura Simpson | Daughter | — | 19 | ~1921 |
| Evelyn Simpson | Daughter | — | 12 | ~1928 |
| Charles Simpson | Head | — | 51 | ~1889 |
| George Simpson | Son | — | 18 | ~1922 |
| Charles Simpson | Son | — | 9 | ~1931 |
| Houston Simpson | Son | — | 22 | ~1918 |
| Mary Simpson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Orleans, Louisiana
Other, age 21
Orleans, Louisiana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Other, age 36
Orleans, Louisiana · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | servant |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | teacher |
| Industry | school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Spouse, age 48
Orleans-County, Louisiana · implied b. ~1892 — 7 household members
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Highest Grade | No 3 |
| 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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simpson
Spouse · 1940 · age 48 · b. ~1892 · 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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01431-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Barrios | 20 | son | Grocery Clerk | Louisiana |
| 2 | Anna Mae Barrios | 17 | daughter | Grocery Clerk | Louisiana |
| 3 | Herman E. Schafer | 38 | Head | Brick Mason | Louisiana |
| 4 | Alois A. Schafer | 36 | brother | Truck Driver | Louisiana |
| 5 | Theresa Schafer | 69 | aunt | — | Louisiana |
| 6 | John H. Simpson | 31 | cousin | — | Louisiana |
| 7 | Mollie Torrence | 60 | Lodger | — | Louisiana |
| 8 | Edward Galay | 38 | Head | Maintenance Mill Wright | Louisiana |
| 9 | Mildred Galay | 31 | wife | — | Louisiana |
| 10 | Charles Simpson | 51 | Head | Painter | Mississippi |
| 11 | Mary Simpson THIS PERSON | 48 | wife | — | Louisiana |
| 12 | Houston Simpson | 22 | son | Mechanical Engineer | Louisiana |
| 13 | Lura Simpson | 19 | daughter | Children'S Aid | Louisiana |
| 14 | George Simpson | 18 | son | Painter | Louisiana |
| 15 | Evelyn Simpson | 12 | daughter | — | Louisiana |
| 16 | Charles Simpson | 9 | son | — | Louisiana |
| 17 | George H. Landwehr | 45 | Head | Guard | Louisiana |
| 18 | Cora Landwehr | 48 | wife | — | Louisiana |
| 19 | George D. Landwehr | 17 | son | — | Louisiana |
| 20 | Bernice L. Landwehr | 15 | daughter | — | Louisiana |
| 21 | Elizabeth Schmitt | 69 | Head | — | Louisiana |
| 22 | Margaret Schmitt | 68 | sister | Domestic Worker | Louisiana |
| 23 | Katherine Schmitt | 61 | sister | Domestic Worker | Louisiana |
| 24 | Arthur Sr. Brown | 39 | Head | Mechanical Engineer | Mississippi |
| 25 | Sarah Brown | 35 | wife | — | Italy |
| 26 | Arthur Jr. Brown | 10 | son | — | Louisiana |
| 27 | Sarah Brown | 1 | daughter | — | Louisiana |
| 28 | Edna Benard | 44 | Head | Laundress | Louisiana |
| 29 | Edna Mae Benard | 20 | daughter | Seamstress | Louisiana |
| 30 | Norma Benard | 18 | daughter | Laundress | Louisiana |
| 31 | Robert Benard | 16 | son | Water Boy | Louisiana |
| 32 | Bernard Sr. Darre | 31 | Head | Laborer | Louisiana |
| 33 | Leona Darre | 30 | wife | — | Louisiana |
| 34 | Bernard Jr. Darre | 2 | son | — | Louisiana |
| 35 | Henry Hasler | 35 | brother in law | Longshoreman | Louisiana |
| 36 | Charles Hebert | 37 | Head | Clerk | Louisiana |
| 37 | Daisy Hebert | 36 | wife | — | Louisiana |
| 38 | Henry H. Monroe | 55 | Head | Laborer | Louisiana |
| 39 | Katie Monroe | 48 | wife | Spinner | Louisiana |
| 40 | Henry H. Monroe | 18 | son | Warehouseman | 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)