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Ruth Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ruth Gray across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Gray |
| Given Name | Ruth F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Daisy Gray | Spouse | — | 37 | ~1903 |
| Melvin Gray | Son | — | 14 | ~1926 |
| Edward Gray | Son | — | 9 | ~1931 |
| Roy Gray | Head | — | 41 | ~1899 |
| Ruth Gray | Daughter | — | 11 | ~1929 |
| Barbara Gray | Daughter | — | 2 | ~1938 |
| Doris Gray | Daughter | — | 12 | ~1928 |
| Franklin Gray | Son | — | ~1940 | |
| Roy Gray | Son | — | 16 | ~1924 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Ruth F |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1940
Baltimore-City-County, Maryland
Daughter, age 11
Baltimore-City-County, Maryland · implied b. ~1929 — 9 household members
| Surname | Gray |
| Given Name | Ruth F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 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 Ruth Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Gray
Daughter · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Edward Gray
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Gray
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Gray
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Gray
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Gray
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Gray
Sibling · 1940 · age
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-t0627-01535-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leo J. Murray | 37 | Head | Car Checker | Maryland |
| 42 | Anna M. Murray | 37 | Wife | — | Maryland |
| 43 | John J. Murray | 66 | Father | Physician | Maryland |
| 44 | John F. Ireland | 27 | Head | Crane Operator | Maryland |
| 45 | Margaret B. Ireland | 25 | Wife | — | Maryland |
| 46 | John F. Ireland | 1 | Son | — | Maryland |
| 47 | Thomas J. Ireland | 0 | Son | — | Maryland |
| 48 | Margaret A. Ireland | 3 | Daughter | — | Maryland |
| 49 | John J. Murray | 66 | Father-in-law | Oiler | Maryland |
| 50 | Maggie J. Murray | 66 | Mother-in-law | — | Maryland |
| 51 | John J. Murray | 30 | Son | Clerk Stockman | Maryland |
| 52 | James C. Murray | 26 | Son | — | Maryland |
| 53 | Arthur R. Steuer | 34 | Head | Angle Smith | Illinois |
| 54 | Alice Steuer | 33 | Wife | — | Maryland |
| 55 | Louise N. Steuer | 12 | Daughter | — | Maryland |
| 56 | Ranor Steuer | 41 | Lodger | Press Operator | Illinois |
| 57 | John L. Harper | 37 | Head | Crane Operator | Virginia |
| 58 | Marie M. Harper | 24 | Wife | — | Maryland |
| 59 | Clayton A. Harper | 13 | Son | — | Maryland |
| 60 | Edward R. Harper | 3 | Son | — | Maryland |
| 61 | George L. Strobel | 63 | Head | Sheet Metal Worker | Washington D.C. |
| 62 | Mary E. Strobel | 52 | Wife | — | Maryland |
| 63 | Verna E. Strobel | 16 | Daughter | Sales | Maryland |
| 64 | Thelma E. Strobel | 12 | Daughter | — | Maryland |
| 65 | Roy A. Gray | 41 | Head | Painter | Maryland |
| 66 | Daisy L. Gray | 37 | Wife | — | Maryland |
| 67 | Roy L. Gray | 16 | Son | — | Maryland |
| 68 | Melvin R. Gray | 14 | Son | — | Maryland |
| 69 | Doris M. Gray | 12 | Daughter | — | Maryland |
| 70 | Ruth F. Gray THIS PERSON | 11 | Daughter | — | Maryland |
| 71 | Edward B. Gray | 9 | Son | — | Maryland |
| 72 | Barbara A. Gray | 2 | Daughter | — | Maryland |
| 73 | Franklin G. Gray | 0 | Son | — | Maryland |
| 74 | William V. Baker | 43 | Head | Brakeman | Maryland |
| 75 | Amelda Baker | 35 | Wife | — | Pennsylvania |
| 76 | Anna A. Baker | 18 | Daughter | — | Maryland |
| 77 | Mary Briddick | 63 | Mother-in-law | — | Maryland |
| 78 | Florence T. Riles | 64 | Head | — | Maryland |
| 79 | Rosa C. Brannon | 31 | Lodger | Bottle Washer | Maryland |
| 80 | Francis Abbot | 27 | Lodger | Floor Girl | Maryland |
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)