MH
Mary Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lincoln-County, Louisiana
Our Model Tree links this Mary Hamilton across the 1920, 1930 and 1940 US Censuses in Lincoln-County, Louisiana (XGBoost, ~Confirmed), with identified parents Mattie & Willis — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Louisiana |
| Surname | Hamilton |
| Given Name | Mary Lee |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 4 |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hamilton | Daughter | — | 25 | ~1915 |
| Evangeline Hamilton | Daughter | — | 14 | ~1926 |
| Irene Hamilton | Daughter | — | 7 | ~1933 |
| Willis Hamilton | Head | — | 70 | ~1870 |
| Mattie Hamilton | Spouse | — | 72 | ~1868 |
Census Appearances
1920
Lincoln, Louisiana
Daughter, age 7
Lincoln, Louisiana · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Lincoln, Louisiana
Daughter, age 17
Lincoln, Louisiana · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Lincoln-County, Louisiana
Daughter, age 25
Lincoln-County, Louisiana · implied b. ~1915 — 5 household members
| Surname | Hamilton |
| Given Name | Mary Lee |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 4 |
| 1935 Residence (County) | Lincoln |
| Highest Grade | No 7 |
| 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 Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mattie Hamilton (~0.92 confidence) and father Willis Hamilton (~0.92 confidence) and father W Hamilton (~0.92 confidence) and mother Mattie Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mattie Hamilton
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Willis Hamilton
b. ~1870
Source father
● Household
· direct · ~0.92
Father
W Hamilton
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mattie Hamilton
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hamilton
Daughter · 1940 · age 25 · b. ~1915 · Louisiana
★ You are viewing this record
Sibling
Evangeline Hamilton
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Hamilton
Sibling · 1940 · age 7
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 — Lincoln-County, Louisiana
Open full size
1940 US Federal Census — Lincoln-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01411-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geraldine Franklin | 10 | daughter | — | Louisiana |
| 2 | Varice Franklin | 6 | daughter | — | Louisiana |
| 3 | Harris Franklin | 3 | son | — | Louisiana |
| 4 | Eugene Franklin | 0 | son | — | Louisiana |
| 5 | Malcolm Norris | 27 | Head | Farmer | Louisiana |
| 6 | Dixie Norris | 22 | wife | — | Louisiana |
| 7 | Glenda Norris | 1 | daughter | — | Louisiana |
| 8 | William Norris | 42 | Head | Farmer | Louisiana |
| 9 | Josephine Norris | 33 | wife | — | Louisiana |
| 10 | William Jr. Norris | 13 | son | — | Louisiana |
| 11 | Emma Norris | 11 | daughter | — | Louisiana |
| 12 | Jack Norris | 5 | son | — | Louisiana |
| 13 | Howard Newton | 40 | Head | Farmer | Arkansas |
| 14 | Lucie Newton | 40 | wife | — | Louisiana |
| 15 | Mrs. T. J. Norris | 63 | Head | — | Louisiana |
| 16 | Travis Norris | 29 | son | Farmer | Louisiana |
| 17 | Jessie Norris | 23 | daughter | School Teacher | Louisiana |
| 18 | Joseph Benton | 31 | Head | Farmer | Louisiana |
| 19 | Daisy Benton | 30 | wife | — | Louisiana |
| 20 | Dicey Benton | 60 | Head | — | Louisiana |
| 21 | Timothy Benton | 20 | son | Farmer | Louisiana |
| 22 | James Perry | 32 | Head | Farmer | Louisiana |
| 23 | Luthene Perry | 24 | wife | — | Texas |
| 24 | Daisy Perry | 3 | daughter | — | Louisiana |
| 25 | James E. Perry | 2 | son | — | Louisiana |
| 26 | Garland Brown | 31 | Head | Farmer | Louisiana |
| 27 | Reader Brown | 25 | wife | — | Louisiana |
| 28 | Myrtle Brown | 5 | daughter | — | Louisiana |
| 29 | Lonezno Brown | 3 | son | — | Louisiana |
| 30 | Houston Manning | 20 | Head | Farmer | Louisiana |
| 31 | Willie Manning | 40 | wife | — | Louisiana |
| 32 | Willis Hamilton | 70 | Head | Farmer | Louisiana |
| 33 | Mattie Hamilton | 72 | wife | — | Louisiana |
| 34 | Mary Lee Hamilton THIS PERSON | 25 | daughter | — | Louisiana |
| 35 | Evangeline Hamilton | 14 | daughter | — | Louisiana |
| 36 | Irene Hamilton | 7 | daughter | — | Louisiana |
| 37 | Wesley Tidwell | 50 | Head | Farmer | Louisiana |
| 38 | Emma Tidwell | 45 | wife | — | Louisiana |
| 39 | William Hickins | 38 | Head | Farmer | Louisiana |
| 40 | Lillie Hickins | 36 | wife | — | Louisiana |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)