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Mary Montgomery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lafayette-County, Louisiana
Our Model Tree links this Mary Montgomery across the 1930 and 1940 US Censuses in Lafayette-County, Louisiana (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 11-person household.
Age 31
b. ~1909
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lafayette-County, Louisiana |
| Surname | Montgomery |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | M |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lafayette |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 8 |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Montgomery | Daughter | — | 13 | ~1927 |
| Dorothy Montgomery | Daughter | — | 12 | ~1928 |
| Abraham Montgomery | Head | — | 38 | ~1902 |
| Clifford Montgomery | Son | — | 2 | ~1938 |
| Abraham Montgomery | Son | — | 10 | ~1930 |
| Oron Montgomery | Son | — | 9 | ~1931 |
| Walter Montgomery | Son | — | 7 | ~1933 |
| Valarie Montgomery | Son | — | 14 | ~1926 |
| Yerton Montgomery | Son | — | 5 | ~1935 |
| Eugene Montgomery | Son | — | 3 | ~1937 |
| Mary Montgomery | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Lafayette, Louisiana
Other, age 21
Lafayette, Louisiana · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 16 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Lafayette-County, Louisiana
Spouse, age 31
Lafayette-County, Louisiana · implied b. ~1909 — 11 household members
| Surname | Montgomery |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | M |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lafayette |
| Highest Grade | No 3 |
| 1935 Residence | Louisiana |
| 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 Montgomery across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Montgomery
Spouse · 1940 · age 31 · b. ~1909 · 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 — Lafayette-County, Louisiana
Open full size
1940 US Federal Census — Lafayette-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01409-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abraham Montgomery | 38 | Head | Farmer | Louisiana |
| 2 | Mary B. Montgomery THIS PERSON | 31 | Wife | — | Louisiana |
| 3 | Valarie Montgomery | 14 | Son | — | Louisiana |
| 4 | Theresa Montgomery | 13 | Daughter | — | Louisiana |
| 5 | Dorothy Montgomery | 12 | Daughter | — | Louisiana |
| 6 | Abraham, Jr. Montgomery | 10 | Son | — | Louisiana |
| 7 | Oron Montgomery | 9 | Son | — | Louisiana |
| 8 | Walter Montgomery | 7 | Son | — | Louisiana |
| 9 | Yerton Montgomery | 5 | Son | — | Louisiana |
| 10 | Eugene Montgomery | 3 | Son | — | Louisiana |
| 11 | Clifford Montgomery | 2 | Son | — | Louisiana |
| 12 | Raleigh Avant | 55 | Head | — | Louisiana |
| 13 | Alpha Senigal | 50 | Head | Farmer | Louisiana |
| 14 | Eudabal Senigal | 50 | Wife | — | Louisiana |
| 15 | Curly Senigal | 18 | Son | Laborer | Louisiana |
| 16 | Dashis Senigal | 16 | Son | Laborer | Louisiana |
| 17 | Eunice Senigal | 20 | Daughter | Laborer | Louisiana |
| 18 | Wilbert Senigal | 12 | Son | — | Louisiana |
| 19 | Viola Senigal | 5 | Daughter | — | Louisiana |
| 20 | James Simon | 31 | Head | Farmer | Louisiana |
| 21 | Lilly Simon | 31 | Wife | — | Louisiana |
| 22 | Joyce L. Simon | 10 | Daughter | — | Louisiana |
| 23 | Allenta Simon | 8 | Daughter | — | Louisiana |
| 24 | Margery M. Simon | 4 | Daughter | — | Louisiana |
| 25 | Julia Navarre | 33 | Head | Farmer | Louisiana |
| 26 | Catherine Navarre | 30 | Wife | — | Louisiana |
| 27 | Ula Mae Navarre | 5 | Daughter | — | Louisiana |
| 28 | Wonda Mae Navarre | 3 | Daughter | — | Louisiana |
| 29 | Numa Robin | 64 | Head | — | Louisiana |
| 30 | Selina Robin | 53 | Wife | — | Louisiana |
| 31 | Leroy Robin | 16 | Son | Laborer | Louisiana |
| 32 | Neron Robin | 13 | Son | — | Louisiana |
| 33 | Elmo Robin | 11 | Son | — | Louisiana |
| 34 | Claude Martin | 26 | Son-in-law | Advertising | Louisiana |
| 35 | Nelia Martin | 18 | Daughter | — | Louisiana |
| 36 | Barbara Ann Martin | 1 | Daughter | — | Louisiana |
| 37 | Ardus Sonnier | 36 | Head | Farmer | Louisiana |
| 38 | Lucille Sonnier | 34 | Wife | — | Louisiana |
| 39 | Elrena Sonnier | 13 | Daughter | — | Louisiana |
| 40 | Haywood Sonnier | 12 | 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)