MD
Mabel Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Charles-County, Louisiana
Our Model Tree links this Mabel Davis across the 1930 and 1940 US Censuses in St.-Charles-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Charles-County, Louisiana |
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Hahnville |
| 1935 Residence (County) | St. Charles |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Hahnville |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Davis | Daughter | — | 23 | ~1917 |
| Marie Davis | Daughter | — | 21 | ~1919 |
| Mabel Davis | Daughter | — | 15 | ~1925 |
| Sidney Davis | Head | — | 45 | ~1895 |
| Lolly Davis | Son | — | 17 | ~1923 |
| Sidney Davis | Son | — | 24 | ~1916 |
| Lloyd Davis | Son | — | 4 | ~1936 |
| Blanchard Davis | Son | — | 8 | ~1932 |
| Levania Davis | Spouse | — | 41 | ~1899 |
Census Appearances
1930
St Charles, …
Daughter, age 5
St Charles, Louisiana · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| 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.-Charles-County, Louisiana
Daughter, age 15
St.-Charles-County, Louisiana · implied b. ~1925 — 9 household members
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Hahnville |
| 1935 Residence (County) | St. Charles |
| Income (1939) | 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 Mabel Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mabel Davis
Daughter · 1940 · age 15 · b. ~1925 · Louisiana
★ You are viewing this record
Sibling
Beatrice Davis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lolly Davis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Davis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Davis
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanchard Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Davis
Sibling · 1940 · age 24
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.-Charles-County, Louisiana
Open full size
1940 US Federal Census — St.-Charles-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01447-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Jones | 51 | wife | — | Louisiana |
| 2 | Alvin Smith | 36 | Head | Servant | Louisiana |
| 3 | Lizzie Mcbride | 50 | lodger | Laborer | Louisiana |
| 4 | Freddie Davis | 23 | nephew | Servant | Louisiana |
| 5 | Enos Berle | 25 | Head | Laborer | Louisiana |
| 6 | Nathan Adams | 88 | Head | Laborer | Louisiana |
| 7 | Cresie Gross | 25 | Head | — | Louisiana |
| 8 | Anthony Brassard | 58 | son | — | Louisiana |
| 9 | Nathan Smith | 52 | Head | Laborer | Louisiana |
| 10 | Ella Smith | 48 | wife | Laborer | Louisiana |
| 11 | Louise Smith | 19 | daughter | — | Louisiana |
| 12 | Sidney H. Davis | 45 | Head | — | Louisiana |
| 13 | Levania Davis | 41 | wife | — | Louisiana |
| 14 | Sidney Jr. Davis | 24 | son | — | Louisiana |
| 15 | Beatrice B. Davis | 23 | daughter | Asst Cook | Louisiana |
| 16 | Marie E. Davis | 21 | daughter | Servant | Louisiana |
| 17 | Lolly G. Davis | 17 | son | Servant | Louisiana |
| 18 | Mabel Davis THIS PERSON | 15 | daughter | — | Louisiana |
| 19 | Blanchard Davis | 8 | son | — | Louisiana |
| 20 | Lloyd A. Davis | 4 | son | — | Louisiana |
| 21 | Phillip Davis | 70 | Head | Laborer | Louisiana |
| 22 | Henrietta Davis | 63 | wife | — | Louisiana |
| 23 | Lalie Alvas | 64 | Head | — | Louisiana |
| 24 | Frederick White | 32 | son | Laborer | Louisiana |
| 25 | Stanley White | 6 | son | — | Louisiana |
| 26 | Arm Willis | 86 | Head | — | Mississippi |
| 27 | Gertrude Willis | 41 | daughter | — | Louisiana |
| 28 | Sadie Willis | 37 | daughter | — | Louisiana |
| 29 | Dorothy Griffin | 18 | friend | Teacher | Louisiana |
| 30 | Ernest Walker | 68 | Head | — | Louisiana |
| 31 | Mary Hart | 65 | lodger | — | Louisiana |
| 32 | Slade Raymond | 64 | Head | — | Louisiana |
| 33 | Virginia Raymond | 58 | wife | — | Louisiana |
| 34 | Anthony Raymond | 18 | son | Laborer | Louisiana |
| 35 | Mary L. Cambre | 68 | Head | — | Louisiana |
| 36 | Willie Varkam | 65 | lodger | — | Louisiana |
| 37 | Morris Muse | 30 | Head | — | Louisiana |
| 38 | Denis Burrell | 32 | Head | Laborer | Louisiana |
| 39 | Ida Burrell | 35 | wife | — | Louisiana |
| 40 | Joseph Dee | 9 | son | — | 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)