MG
Margaret Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Margaret Gray across the 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed), with identified parents Guy & John — first a daughter (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Gray |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Stenographer |
| Township / Ward | Washington |
| 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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Edward Gray | Son | — | 24 | ~1916 |
| Kathryn Gray | Spouse | — | 50 | ~1890 |
| Margaret Gray | Daughter | — | 32 | ~1908 |
| John Gray | Head | — | 57 | ~1883 |
Census Appearances
1920
None, District …
Daughter, age 11
None, District of Columbia · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
None, District …
Daughter, age 22
None, District of Columbia · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Maryland |
| Occupation | Stenographer |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
District-Of-Columbia-County, District …
Daughter, age 32
District-Of-Columbia-County, District of Columbia · implied b. ~1908 — 4 household members
| Surname | Gray |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Stenographer |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Guy Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Katherine Gray (~0.92 confidence) and mother Kathryn Gray (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Guy Gray
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Katherine Gray
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Kathryn Gray
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Gray
Daughter · 1940 · age 32 · b. ~1908 · District of Columbia
★ You are viewing this record
Sibling
Edward Gray
Sibling · 1940 · age 24
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 — 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-t0627-00560-00213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leona Postel | 26 | Wife | — | District of Columbia |
| 42 | Annette Postel | 5 | Daughter | — | District of Columbia |
| 43 | Elvera Katzman | 40 | Sister-in-law | Clerk | New York |
| 44 | Butler Ballance | 53 | Head | Liquidation Officer | Virginia |
| 45 | Martha Ballance | 48 | Wife | — | Virginia |
| 46 | John Paul Lakes | 23 | Step Son | Legal Clerk | Virginia |
| 47 | Frank H. Bauman | 39 | Head | Accountant | Pennsylvania |
| 48 | Kathryn Bauman | 34 | Wife | — | Pennsylvania |
| 49 | Frank H. Jr. Bauman | 14 | Son | — | Pennsylvania |
| 50 | William Mcelhinney | 43 | Head | Clerk | District of Columbia |
| 51 | Louise Mcelhinney | 32 | Wife | Clerk | North Carolina |
| 52 | James Dinardo | 37 | Head | Foreman | New Jersey |
| 53 | Inza Dinardo | 32 | Wife | — | New Jersey |
| 54 | Eric Dinardo | 3 | Son | — | New Jersey |
| 55 | Edward L. Evans | 39 | Head | Paper Hanger | District of Columbia |
| 56 | Emma L. Evans | 36 | Wife | — | Pennsylvania |
| 57 | Helen L. Evans | 14 | Daughter | — | District of Columbia |
| 58 | Lawrence Evans | 9 | Son | — | District of Columbia |
| 59 | Lena Garhold | 69 | Head | — | Maryland |
| 60 | John F. Garhold | 31 | Son | Clerk | District of Columbia |
| 61 | Ruby Garhold | 30 | Daughter-in-law | — | Virginia |
| 62 | Judith Garhold | 5 | Daughter | — | District of Columbia |
| 63 | Henry K. Garhold | 40 | Son | Painter | District of Columbia |
| 64 | Richard N. Reed | 36 | Head | Engineer | District of Columbia |
| 65 | Margaret Reed | 34 | Wife | — | North Carolina |
| 66 | Richard N. Jr. Reed | 11 | Son | — | District of Columbia |
| 67 | George L. Corner | 57 | Head | Railway Express Agent | Virginia |
| 68 | Carrie Corner | 59 | Wife | — | Virginia |
| 69 | George Corner | 22 | Son | Drafting Engineer | Virginia |
| 70 | Catherine Corner | 21 | Daughter | Clerk | District of Columbia |
| 71 | Robert Corner | 19 | Son | — | District of Columbia |
| 72 | Wrong Info - One Space Reserved - Too Many | None | — | — | — |
| 73 | John C. Crouch | 44 | Head | Salesman | So Carolina |
| 74 | Eleanor Crouch | 39 | Wife | Advisor | New York |
| 75 | Eleanor L. Crouch | 17 | Daughter | — | Virginia |
| 76 | John M. Gray | 57 | Head | Painter | New York |
| 77 | Kathryn L. Gray | 50 | Wife | — | Maryland |
| 78 | Margaret L. Gray THIS PERSON | 32 | Daughter | Stenographer | New York |
| 79 | Edward A. Gray | 24 | Son | Salesman | New York |
| 80 | Charles S. Wenger | 32 | Head | Builder | District of Columbia |
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)