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Richard Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Richard Gray across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Gray |
| Given Name | Richard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE CITY |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Helper |
| Industry | Packing House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Helper |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Edward Gray | Son | — | 15 | ~1925 |
| Joseph Gray | Son | — | 11 | ~1929 |
| Georgia Gray | Spouse | — | 46 | ~1894 |
| Richard Gray | Son | — | 18 | ~1922 |
| Richard Gray | Head | — | 47 | ~1893 |
| Arthur Gray | Son | — | 9 | ~1931 |
| Sarah Gray | Daughter | — | 11 | ~1929 |
| Daniel Gray | Son | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Son, age 7
Baltimore, Maryland · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grey |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 8 household members
| Surname | Gray |
| Given Name | Richard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE CITY |
| 1935 Residence (County) | Baltimore City |
| Occupation | Helper |
| Industry | Packing House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 5 |
| 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 Richard Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Gray
Son · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Edward Gray
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Gray
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Gray
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Gray
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Gray
Sibling · 1940 · age 13
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-t0627-01510-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Gray | 47 | Head | Laborer | Maryland |
| 2 | Georgia Gray | 46 | Wife | — | Virginia |
| 3 | Richard Jr. Gray THIS PERSON | 18 | Son | Helper | Maryland |
| 4 | Edward Gray | 15 | Son | Helper | Maryland |
| 5 | Daniel Gray | 13 | Son | — | Maryland |
| 6 | Joseph Gray | 11 | Son | — | Maryland |
| 7 | Arthur Gray | 9 | Son | — | Maryland |
| 8 | Sarah Gray | 11 | Daughter | — | Maryland |
| 9 | Evelyn Jones | 20 | Head | Laboring | Maryland |
| 10 | Robert Jones | 25 | Wife | — | Virginia |
| 11 | Robert Jr. Jones | 2 | Son | — | Maryland |
| 12 | Mcduffy Justice | 26 | Head | Laborer | North Carolina |
| 13 | Irene Justice | 24 | Wife | — | North Carolina |
| 14 | Julia Justice | 1 | Daughter | — | Maryland |
| 15 | Henry Castle | 27 | Head | Tin Cutter | South Carolina |
| 16 | Catherine Castle | 23 | Wife | — | South Carolina |
| 17 | Mary Mars | 59 | Head | — | North Carolina |
| 18 | Allen Evelyn Mars | 24 | Daughter | Bookkeeper | Maryland |
| 19 | Means David Mars | 32 | Son | Barber | Maryland |
| 20 | Crows Hattie Mars | 12 | Niece | — | Maryland |
| 21 | Joseph Paul | 46 | Head | Merchant | Russia |
| 22 | Helen Paul | 42 | Wife | — | Maryland |
| 23 | Stanley Paul | 22 | Son | Attorney | Maryland |
| 24 | Evelyn Paul | 17 | Daughter | — | Maryland |
| 25 | Bernard Paul | 15 | Son | — | Maryland |
| 26 | Marion Paul | 14 | Daughter | — | Maryland |
| 27 | James Smith | 31 | Head | Laborer | North Carolina |
| 28 | David Smith | 18 | Brother | Spinach Cutter | North Carolina |
| 29 | Hattie Smith | 17 | Sister | Spinach Cutter | North Carolina |
| 30 | Juliet Smith | 15 | Sister | — | North Carolina |
| 31 | John Smith | 13 | Brother | — | North Carolina |
| 32 | Nello Jacobs | 28 | Head | Laborer | North Carolina |
| 33 | Lucille Jacobs | 22 | Wife | Tomato Skinner | North Carolina |
| 34 | Fannie Jacobs | 5 | Daughter | — | North Carolina |
| 35 | Mamie Jacobs | 1 | Daughter | — | Maryland |
| 36 | Samuel Hurt | 37 | Head | Laborer | Virginia |
| 37 | Mary Hurt | 34 | Wife | — | Virginia |
| 38 | Baylor Theodore Hurt | 18 | Step-son | Loader | Maryland |
| 39 | Hatchet Helena Hurt | 20 | Head | Laborer | Virginia |
| 40 | Helena Wife Hurt | 18 | Wife | — | North Carolina |
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)