HG
Helen Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this Helen Gray across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed), with identified parents Richard & Richard — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Typist |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 390 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Typist |
| Township / Ward | Rural |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Gray | Daughter | — | 23 | ~1917 |
| Margaret Gray | Spouse | — | 58 | ~1882 |
| Edna Gray | Daughter | — | 26 | ~1914 |
| Hilda Gray | Daughter | — | 21 | ~1919 |
| Richard Gray | Head | — | 61 | ~1879 |
| Warner Gray | Son | — | 24 | ~1916 |
Census Appearances
1920
Montgomery, Maryland
Daughter, age 3
Montgomery, Maryland · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Montgomery, Maryland
Daughter, age 13
Montgomery, Maryland · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Daughter, age 23
Montgomery-County, Maryland · implied b. ~1917 — 6 household members
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Montgomery |
| Occupation | Typist |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 390 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Helen Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Gray (~0.92 confidence) and father Richard Gray (~0.92 confidence) and mother Maggie Gray (~0.92 confidence) and mother Margaret Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Gray
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Richard Gray
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Maggie Gray
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Margaret Gray
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Gray
Daughter · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Edna Gray
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Gray
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warner 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 — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01554-00914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Hurt | 31 | Head | Glazier | Virginia |
| 2 | Lucile Hurt | 30 | Wife | — | Virginia |
| 3 | Clarence Jr. Hurt | 5 | Son | — | Maryland |
| 4 | Patricia Hurt | 1 | Daughter | — | Maryland |
| 5 | Ralph Phillips | 32 | Head | Salesman | Maryland |
| 6 | Elsie Phillips | 35 | Wife | — | Virginia |
| 7 | Leroy Phillips | 11 | Son | — | Maryland |
| 8 | Stanley Phillips | 10 | Son | — | Maryland |
| 9 | Peggy Phillips | 8 | Daughter | — | Maryland |
| 10 | William Ricketts | 43 | Head | Carpenter | Maryland |
| 11 | Helen V. Ricketts | 41 | Wife | — | Maryland |
| 12 | Charles Ricketts | 20 | Son | Farmer | Maryland |
| 13 | Alice Ricketts | 19 | Daughter | — | Maryland |
| 14 | Dorothy Ricketts | 18 | Daughter | Waitress | Maryland |
| 15 | Harry Ricketts | 16 | Son | — | Maryland |
| 16 | Julia Ricketts | 13 | Daughter | — | Maryland |
| 17 | Frances Ricketts | 12 | Son | — | Maryland |
| 18 | Catherine Ricketts | 9 | Daughter | — | Maryland |
| 19 | Betty Jean Ricketts | 8 | Daughter | — | Maryland |
| 20 | Hazel Ricketts | 7 | Daughter | — | Maryland |
| 21 | Mary Ricketts | 6 | Daughter | — | Maryland |
| 22 | George Ricketts | 4 | Son | — | Maryland |
| 23 | Lucile Ricketts | 3 | Daughter | — | Maryland |
| 24 | Melvin Ricketts | 2 | Son | — | Maryland |
| 25 | John W. Havener | 54 | Head | Blacksmith | Maryland |
| 26 | Ida M. Havener | 60 | Sister | — | Maryland |
| 27 | Myrtle Havener | 56 | Sister | — | Maryland |
| 28 | G. Eddington Bell | 51 | Head | Operator | Maryland |
| 29 | Gertrude Bell | 45 | Wife | — | Maryland |
| 30 | George E. Bell | 21 | Son | Bookkeeper | Maryland |
| 31 | John C. Bell | 15 | Son | — | Maryland |
| 32 | Helen D. Bell | 9 | Daughter | — | Maryland |
| 33 | Myrtle Hatcher | 17 | Servant | Maid | Maryland |
| 34 | Richard Gray | 61 | Head | — | Virginia |
| 35 | Margaret Gray | 58 | Wife | — | Maryland |
| 36 | Edna Gray | 26 | Daughter | — | Maryland |
| 37 | Warner Gray | 24 | Son | Golf Assistant | Maryland |
| 38 | Helen Gray THIS PERSON | 23 | Daughter | Typist | Maryland |
| 39 | Hilda Gray | 21 | Daughter | — | Maryland |
| 40 | Paul R. Hawes | 30 | Head | Chef | Maryland |
Pedigree Summary
Helen + 3 siblings
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)