MT
Margaret Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Margaret Thomas across the 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed), with identified parents Andrew & Gertrude — first a spouse (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Domestic |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 520 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Domestic |
| Township / Ward | Washington |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| William Thomas | Head | — | 35 | ~1905 |
| Mary Scott | Other | — | 51 | ~1889 |
| William Thomas | Son | — | 4 | ~1936 |
| Margaret Thomas | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Northampton, Virginia
Daughter, age 1
Northampton, Virginia · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
District Of …
Daughter, age 12
District Of Columbia, District of Columbia · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
District-Of-Columbia-County, District …
Spouse, age 23
District-Of-Columbia-County, District of Columbia · implied b. ~1917 — 4 household members
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Domestic |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 520 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Andrew Thomas (~0.92 confidence) and mother Gertrude Thomas (~0.92 confidence) and father Alpheus Thomas (~0.92 confidence) and mother Bessie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Thomas
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Gertrude Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Alpheus Thomas
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Bessie Thomas
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Thomas
Spouse · 1940 · age 23 · b. ~1917 · District of Columbia
★ 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 — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00553-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lee Lambert | 43 | Lodger | Bellhop | Virginia |
| 42 | Alphonso Carter | 38 | Head | Painter | N. Carolina |
| 43 | Rosie Carter | 24 | Wife | Domestic | Maryland |
| 44 | Matilda Wheeler | 32 | Head | Domestic | S. Carolina |
| 45 | Abraham Wheeler | 12 | Son | — | S. Carolina |
| 46 | Josephine Wheeler | 9 | Daughter | — | S. Carolina |
| 47 | Lucille Wheeler | 7 | Daughter | — | S. Carolina |
| 48 | Edward Wheeler | 5 | Son | — | S. Carolina |
| 49 | Sussabell Bartley | 14 | Sister | — | S. Carolina |
| 50 | William Thomas | 35 | Head | Truck Driver | Maryland |
| 51 | Margaret Thomas THIS PERSON | 23 | Wife | Domestic | Virginia |
| 52 | William Jr. Thomas | 4 | Son | — | Maryland |
| 53 | Mary Scott | 51 | Mother | — | Virginia |
| 54 | Bodie Singleton | 41 | Head | Steel Worker | S. Carolina |
| 55 | Annie Singleton | 24 | Wife | Domestic | S. Carolina |
| 56 | Frances Singleton | 13 | Daughter | — | S. Carolina |
| 57 | Roosevelt Singleton | 11 | Son | — | Dist. of Col. |
| 58 | George Singleton | 12 | Son | — | S. Carolina |
| 59 | Samuel Singleton | 6 | Son | — | S. Carolina |
| 60 | Annie Singleton | 5 | Daughter | — | S. Carolina |
| 61 | Joseph Singleton | 2 | Son | — | D.C. |
| 62 | Hyman Messman | 45 | Head | Tailor | Russia |
| 63 | Lena Messman | 43 | Wife | — | England |
| 64 | Jean Messman | 25 | Daughter | Tailor Asst | Connecticut |
| 65 | Benjamin Messman | 20 | Son | — | Connecticut |
| 66 | Milton Messman | 15 | Son | — | Connecticut |
| 67 | Willie Middleton | 34 | Head | Laborer | S. Carolina |
| 68 | Sylvia Middleton | 24 | Wife | Domestic | S. Carolina |
| 69 | Alberta Middleton | 5 | Daughter | — | Philadelphia |
| 70 | Peggy Middleton | 3 | Daughter | — | Philadelphia |
| 71 | Elias Hardeman | 30 | Head | Laborer | Virginia |
| 72 | Geneva Hardeman | 27 | Wife | Domestic | N. Carolina |
| 73 | David H. Ivy | 23 | Lodger | Laborer | Virginia |
| 74 | Rose Ivy | 22 | Wife | — | Maryland |
| 75 | Davine Ivy | 2 | Daughter | — | Maryland |
| 76 | Julian Moyler | 38 | Lodger | Laborer | Virginia |
| 77 | Mollie Moyler | 30 | Wife | Domestic | Virginia |
| 78 | James Moyler | 13 | Son | — | Virginia |
| 79 | Dorothy Moyler | 12 | Daughter | — | Virginia |
| 80 | Lawrence Moyler | 10 | Son | — | D.C. |
Pedigree Summary
Margaret
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)