MC
Margaret Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Roosevelt-County, New Mexico
Our Model Tree links this Margaret Clark across the 1920, 1930 and 1940 US Censuses in Roosevelt-County, New Mexico (XGBoost, ~Confirmed), with identified parents Robert & Nannie — first a daughter (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roosevelt-County, New Mexico |
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Roosevelt |
| Additional Details | |
| Highest Grade | C-4 |
| 1935 Residence | New Mexico |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 13 |
| Est. Birth Year | ~1905 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Clark | Daughter | — | 35 | ~1905 |
| Alma Clark | Daughter | — | 30 | ~1910 |
| Robert Clark | Head | — | 58 | ~1882 |
| Nannie Clark | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Roosevelt, New …
Daughter, age 16
Roosevelt, New Mexico · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Roosevelt, New …
Daughter, age 26
Roosevelt, New Mexico · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Texas |
| Occupation | Teacher |
| Industry | Grammar S. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Roosevelt-County, New …
Daughter, age 35
Roosevelt-County, New Mexico · implied b. ~1905 — 4 household members
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Roosevelt |
| Highest Grade | C-4 |
| 1935 Residence | New Mexico |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Margaret 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 Nannie Clark (~0.92 confidence) and father Robert Clark (~0.92 confidence) and father Robert Clark (~0.92 confidence) and mother Nannie Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Clark
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Nannie Clark
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Robert Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Robert Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Nannie Clark
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Clark
Daughter · 1940 · age 35 · b. ~1905 · New Mexico
★ You are viewing this record
Sibling
Alma Clark
Sibling · 1940 · age 30
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 — Roosevelt-County, New Mexico
Open full size
1940 US Federal Census — Roosevelt-County, New Mexico
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02449-01177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dallas Brown | 35 | Head | Farmer | Missouri |
| 2 | Lucy Brown | 34 | Wife | — | Oklahoma |
| 3 | Evelyn Brown | 13 | Daughter | — | Oklahoma |
| 4 | Beryl Brown | 9 | Daughter | — | New Mexico |
| 5 | Dee J Brown | 6 | Son | — | New Mexico |
| 6 | Anita F Brown | 4 | Daughter | — | New Mexico |
| 7 | Alex Brown | 87 | Father | — | Missouri |
| 8 | Katherine Pratt | 85 | Head | Helper | Ohio |
| 9 | Mervin Beam | 42 | Roomer | Farmer | Ohio |
| 10 | Robert Clark | 58 | Head | Farmer | Arkansas |
| 11 | Nannie Clark | 56 | Wife | — | Texas |
| 12 | Margaret Clark THIS PERSON | 35 | Daughter | — | Texas |
| 13 | Alma Clark | 30 | Daughter | Teacher | New Mexico |
| 14 | Edwin J Harpold | 28 | Head | Farmer | Missouri |
| 15 | Verna Harpold | 27 | Wife | — | Oklahoma |
| 16 | Vern Harpold | 1 | Son | — | New Mexico |
| 17 | James A Moss | 72 | Head | Farmer | Georgia |
| 18 | Nora Z Moss | 65 | Wife | — | Arkansas |
| 19 | Jack N Spriggs | 56 | Head | — | Georgia |
| 20 | Harold Spriggs | 19 | Son | New Worker | New Mexico |
| 21 | Johnie Spriggs | 17 | Son | New Worker | New Mexico |
| 22 | Aline Spriggs | 12 | Daughter | — | New Mexico |
| 23 | Barbara L Spriggs | 10 | Daughter | — | New Mexico |
| 24 | Louise Jones | 25 | Daughter | — | Texas |
| 25 | Don Jones | 7 | Grandson | — | New Mexico |
| 26 | Dorothy M Jones | 7 | Granddaughter | — | New Mexico |
| 27 | Roy Jones | 4 | Grandson | — | New Mexico |
| 28 | Lee Wiggs | 31 | Head | Farmer | Texas |
| 29 | Viola Wiggs | 25 | Wife | — | New Mexico |
| 30 | Jimmie D Wiggs | 10 | Son | — | New Mexico |
| 31 | Dorris Wiggs | 62 | Mother | — | Texas |
| 32 | Estrella Schafer | 10 | Niece | — | Oklahoma |
| 33 | Earnest Parris | 36 | Head | Farmer | England |
| 34 | Maggie E Parris | 42 | Wife | — | Arkansas |
| 35 | Nana M Parris | 17 | Daughter | — | Texas |
| 36 | Andrew Parris | 15 | Son | Farm Laborer | Texas |
| 37 | Walter Parris | 48 | Brother | Farmer | England |
| 38 | Roy King | 56 | Head | Farmer | Illinois |
| 39 | Ray King | 30 | Son | Farmer | Texas |
| 40 | Vaughnita M King | 22 | Daughter-in-law | — | Oklahoma |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 5 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)