IC
Irene Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calcasieu-County, Louisiana
Our Model Tree links this Irene Clark across the 1920, 1930 and 1940 US Censuses in Calcasieu-County, Louisiana (XGBoost, ~Confirmed), with identified parents Robert & Sidney — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calcasieu-County, Louisiana |
| Surname | Clark |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Calcasieu |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1919 |
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 Irene | Age | Birth yr |
|---|---|---|---|---|
| Robert Clark | Head | — | 58 | ~1882 |
| Irene Clark | Daughter | — | 21 | ~1919 |
| Sidney Clark | Spouse | — | 53 | ~1887 |
| Robert Clark | Son | — | 17 | ~1923 |
Census Appearances
1920
Calcasieu, Louisiana
Daughter, age 1
Calcasieu, Louisiana · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Calcasieu, Louisiana
Daughter, age 11
Calcasieu, Louisiana · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Calcasieu-County, Louisiana
Daughter, age 21
Calcasieu-County, Louisiana · implied b. ~1919 — 4 household members
| Surname | Clark |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Calcasieu |
| Highest Grade | H-4 |
| 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 Irene Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Clark (~0.92 confidence) and mother Sidney Clark (~0.92 confidence) and mother Thelma Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Clark
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Sidney Clark
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Thelma Clark
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Irene Clark
Daughter · 1940 · age 21 · b. ~1919 · Louisiana
★ You are viewing this record
Sibling
Robert Clark
Sibling · 1940 · age 17
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 — Calcasieu-County, Louisiana
Open full size
1940 US Federal Census — Calcasieu-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01391-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosa E Russell | 17 | Daughter | — | Louisiana |
| 42 | Bruce D Mccloud | 25 | Head | Laborer | Louisiana |
| 43 | Laura Mccloud | 17 | Wife | — | Louisiana |
| 44 | Robert L Mccloud | 0 | Son | — | Louisiana |
| 45 | Gorgie Berwick | 39 | Head | Janitor | Louisiana |
| 46 | Ada D Berwick | 32 | Wife | — | Louisiana |
| 47 | Opal A Berwick | 16 | Daughter | — | Louisiana |
| 48 | L. J. Berwick | 14 | Son | — | Louisiana |
| 49 | Eloise Berwick | 12 | Daughter | — | Louisiana |
| 50 | Elton Berwick | 12 | Son | — | Louisiana |
| 51 | Lola M Berwick | 10 | Daughter | — | Louisiana |
| 52 | Irene M Berwick | 6 | Daughter | — | Louisiana |
| 53 | Samuel Berwick | 3 | Son | — | Louisiana |
| 54 | Annie B Berwick | 1 | Daughter | — | Louisiana |
| 55 | Robert Clark | 58 | Head | Farmer | Louisiana |
| 56 | Sidney A Clark | 53 | Wife | — | Louisiana |
| 57 | Irene Clark THIS PERSON | 21 | Daughter | — | Louisiana |
| 58 | Robert Jr Clark | 17 | Son | Farm Laborer | Louisiana |
| 59 | Bluet Clark | 22 | Head | Supervisor | Louisiana |
| 60 | Ray D Clark | 22 | Wife | — | Louisiana |
| 61 | Gerald Clark | 4 | Son | — | Louisiana |
| 62 | Darrel Clark | 1 | Son | — | Louisiana |
| 63 | Ader Poole | 28 | Head | Setter | Louisiana |
| 64 | Altha D Poole | 28 | Wife | — | Louisiana |
| 65 | Lillian Poole | 6 | Daughter | — | Louisiana |
| 66 | Grady Poole | 2 | Son | — | Louisiana |
| 67 | Ples Doyle | 30 | Head | Laborer | Louisiana |
| 68 | Lottie D Doyle | 24 | Wife | — | Louisiana |
| 69 | Johnnie M Doyle | 5 | Son | — | Louisiana |
| 70 | Jimmie H Doyle | 2 | Son | — | Louisiana |
| 71 | Mack A Doyle | 0 | Son | — | Louisiana |
| 72 | Lora Doyle | 54 | Head | — | Louisiana |
| 73 | Alvin Doyle | 24 | Son | Lumber Grader | Louisiana |
| 74 | Delbert Doyle | 22 | Son | — | Louisiana |
| 75 | Dorothy Doyle | 19 | Daughter | — | Louisiana |
| 76 | Mitchell Doyle | 17 | Son | Farm Laborer | Louisiana |
| 77 | Dovey Doyle | 14 | Daughter | — | Louisiana |
| 78 | Manuel Doyle | 11 | Son | — | Louisiana |
| 79 | Harley D Hill | 46 | Head | Laborer | Louisiana |
| 80 | Maye D Hill | 39 | Wife | — | Louisiana |
Pedigree Summary
Irene + 1 sibling
Gen 1 · 3 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)