MH
Mary Hendricks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ouachita-County, Arkansas
Our Model Tree links this Mary Hendricks across the 1920, 1930 and 1940 US Censuses in Ouachita-County, Arkansas (XGBoost, ~Confirmed), with identified parents Fred & John — first a daughter (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Daughter
Born: Louisiana
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Ouachita-County, Arkansas |
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Separated |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ouachita |
| Additional Details | |
| Occupation | School teacher |
| Industry | public school |
| Class of Worker | PW |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Arkansas |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Teacher |
| Township / Ward | Smackover Township |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hendricks | Daughter | — | 32 | ~1908 |
| Matilda Hendricks | Spouse | — | 67 | ~1873 |
| John Hendricks | Head | — | 68 | ~1872 |
| John Randals | Other | — | 12 | ~1928 |
Census Appearances
1920
Ouachita, Arkansas
Daughter, age 11
Ouachita, Arkansas · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrix |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Ouachita, Arkansas
Daughter, age 22
Ouachita, Arkansas · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Ouachita-County, Arkansas
Daughter, age 32
Ouachita-County, Arkansas · implied b. ~1908 — 4 household members
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Separated |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ouachita |
| Occupation | School teacher |
| Industry | public school |
| Class of Worker | PW |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Arkansas |
| 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 Hendricks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Hendricks (~0.92 confidence) and father John Hendrix (~0.92 confidence) and father John Hendricks (~0.92 confidence) and mother Lucinda Hendricks (~0.92 confidence) and mother Martha Hendrix (~0.92 confidence) and mother Matilda Hendricks (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Hendricks
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Hendrix
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Hendricks
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lucinda Hendricks
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Martha Hendrix
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Matilda Hendricks
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hendricks
Daughter · 1940 · age 32 · b. ~1908 · Arkansas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ouachita-County, Arkansas
Open full size
1940 US Federal Census — Ouachita-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00159-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | E. J. Green | 11 | Son | — | Arkansas |
| 42 | A. D. Green | 9 | Son | — | Arkansas |
| 43 | Jett Hunt | 52 | Head | Farmer | Arkansas |
| 44 | Alma B. Hunt | 47 | Wife | — | Arkansas |
| 45 | Marie Hunt | 22 | Daughter | — | Arkansas |
| 46 | Thelma Hunt | 18 | Daughter | — | Arkansas |
| 47 | Fred Hunt | 16 | Son | Farm Hand | Arkansas |
| 48 | Roy Hunt | 12 | Son | — | Arkansas |
| 49 | Monrae Mcclinton | 12 | Nephew | — | Arkansas |
| 50 | John H. Hendricks | 68 | Head | — | Louisiana |
| 51 | Matilda Hendricks | 67 | Wife | — | Louisiana |
| 52 | Mary Hendricks THIS PERSON | 32 | Daughter | School Teacher | Louisiana |
| 53 | John Randals | 12 | Grandson | — | Arkansas |
| 54 | Frank B. Johnson | 44 | Head | Laborer | Arkansas |
| 55 | Ethel Johnson | 43 | Wife | — | Arkansas |
| 56 | Willie M. Johnson | 12 | Son | — | Arkansas |
| 57 | Frank Jr. Johnson | 8 | Son | — | Arkansas |
| 58 | Robert L. Johnson | 5 | Son | — | Arkansas |
| 59 | Juan Coleman | 10 | Neice | — | Arkansas |
| 60 | Eva Deil Johnson | 14 | Neice | — | Arkansas |
| 61 | Curley Cooks | 27 | Head | Laborer | Arkansas |
| 62 | Geneva H. Cooks | 22 | Wife | — | Arkansas |
| 63 | James C. Cooks | 2 | Son | — | Arkansas |
| 64 | Charles E. Cooks | 0 | Son | — | Arkansas |
| 65 | James Hughes | 50 | Father in law | Farmer | Arkansas |
| 66 | Edward L. Hughes | 23 | Brother in law | Laborer | Arkansas |
| 67 | William S. Green | 33 | Head | Farmer | Arkansas |
| 68 | Pearlie H. Green | 26 | Wife | — | Arkansas |
| 69 | Bernice Green | 2 | Daughter | — | Arkansas |
| 70 | Lonnie Watson | 20 | Brother in law | Farmer | Arkansas |
| 71 | Dan Jr. Weaver | 39 | Head | Day Laborer | Arkansas |
| 72 | Hattie Weaver | 35 | Wife | — | Arkansas |
| 73 | Hester Weaver | 5 | Daughter | — | Arkansas |
| 74 | Hervis Weaver | 3 | Son | — | Arkansas |
| 75 | Leon Mcghee | 14 | Nephew | Farmer | Arkansas |
| 76 | Rosetta Williams | 57 | Head | — | Arkansas |
| 77 | David Williams | 22 | Son | Attendant | Arkansas |
| 78 | Justine Williams | 19 | Daughter | — | Arkansas |
| 79 | Charlie Hughes | 44 | Head | Laborer | Arkansas |
| 80 | Ruby C. Hughes | 43 | Wife | — | Kentucky |
Pedigree Summary
Mary
Gen 1 · 6 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)