WG
William Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Gray across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Michael & Donald — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Gray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Helper |
| Industry | Book Bindery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Helper |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Gray | Daughter | — | 15 | ~1925 |
| Donald Gray | Head | — | 46 | ~1894 |
| William Gray | Son | — | 22 | ~1918 |
| Donald Gray | Son | — | 19 | ~1921 |
| Margaret Gray | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 5 household members
| Surname | Gray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Helper |
| Industry | Book Bindery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 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 William Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Gray (~0.92 confidence) and father Donald Gray (~0.92 confidence) and father Edward Gray (~0.92 confidence) and mother Margaret Gray (~0.92 confidence) and mother Ada Gray (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Gray
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Donald Gray
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Edward Gray
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Margaret Gray
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Ada Gray
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gray
Son · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Margaret Gray
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Gray
Sibling · 1940 · age 19
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01533-00152)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W Murphy | 16 | Son | — | Maryland |
| 2 | J William Murphy | 14 | Son | — | Maryland |
| 3 | Thomas Murphy | 9 | Son | — | Maryland |
| 4 | Franklin L Smith | 33 | Head | Clerk | Maryland |
| 5 | Loretta A Smith | 34 | Wife | — | Maryland |
| 6 | Regina Smith | 8 | Daughter | — | Maryland |
| 7 | Frances Smith | 2 | Daughter | — | Maryland |
| 8 | Albert Rinehart | 34 | Head | Electric Welder | Maryland |
| 9 | Mildred V Rinehart | 33 | Wife | — | Maryland |
| 10 | Albert Rinehart | 13 | Son | — | Maryland |
| 11 | Richard Rinehart | 11 | Son | — | Maryland |
| 12 | Mildred Rinehart | 7 | Daughter | — | Maryland |
| 13 | Donald Gray | 46 | Head | Clerk | Maryland |
| 14 | Margaret Gray | 45 | Wife | — | Maryland |
| 15 | William Gray THIS PERSON | 22 | Son | Helper | Maryland |
| 16 | Donald Gray | 19 | Son | Clerk | Maryland |
| 17 | Margaret Gray | 15 | Daughter | — | Maryland |
| 18 | Frieda Hubert | 26 | Head | — | Germany |
| 19 | Rose Hubert | 4 | Daughter | — | Maryland |
| 20 | Frank Hubert | 42 | Son | Electrician | Maryland |
| 21 | August Hubert | 38 | Son | Salesman | Maryland |
| 22 | H William Schwab | 34 | Head | Machine Operator | Maryland |
| 23 | M Flora Schwab | 29 | Wife | — | Maryland |
| 24 | Patricia Schwab | 5 | Daughter | — | Maryland |
| 25 | Leona Breitenother | 55 | Sister in law | — | Maryland |
| 26 | Edward Broenel | 56 | Head | Bar Tender | Maryland |
| 27 | Dorothy Broenel | 51 | Wife | — | New York |
| 28 | Rita Broenel | 20 | Daughter | — | Maryland |
| 29 | Albert Broenel | 30 | Son | Wine Maker | New York |
| 30 | Joseph Reinbach | 45 | Head | Bar Tender | Maryland |
| 31 | Sara Reinbach | 45 | Wife | — | Maryland |
| 32 | Joseph Reinbach | 21 | Son | Receiving Clerk | Maryland |
| 33 | Joseph Frost | 49 | Head | Stone Cutter | Maryland |
| 34 | Emma Frost | 46 | Wife | — | New Jersey |
| 35 | Richard Frost | 20 | Son | Machinist Helper | Maryland |
| 36 | Louise Frost | 18 | Daughter | — | Maryland |
| 37 | Jacqueline Frost | 15 | Daughter | — | Maryland |
| 38 | Thelma Frost | 12 | Daughter | — | Maryland |
| 39 | [Extra Line] [Extra Line] | None | [Extra Line] | [Extra Line] | [Extra Line] |
| 40 | Thomas J Nolan | 54 | Head | Salesman | Ireland |
Pedigree Summary
William + 2 siblings
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)