RJ
Ruth Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ruth Jones across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents David & James — first a daughter (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Dolores Jones | Daughter | — | 7 | ~1933 |
| Ramona Jones | Daughter | — | 10 | ~1930 |
| Ruth Jones | Daughter | — | 30 | ~1910 |
| James Jones | Head | — | 40 | ~1900 |
| Joe Jones | Son | — | 5 | ~1935 |
| George Jones | Son | — | 2 | ~1938 |
| Leon Jones | Son | — | 16 | ~1924 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 20
Baltimore, Maryland · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Operator |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 30
Baltimore-City-County, Maryland · implied b. ~1910 — 7 household members
| Surname | Jones |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | H 6 |
| 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 Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Jones (~0.92 confidence) and father James Jones (~0.60 confidence) and mother Margaret Jones (~0.92 confidence) and mother Mabel Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
David Jones
b. ~1885
Source father
● Household
· direct · ~0.92
Father
James Jones
b. ~1900
Source father
● Household
· direct · ~0.6
Mother
Margaret Jones
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mabel Jones
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Jones
Daughter · 1940 · age 30 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Joe Jones
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ramona Jones
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Jones
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Jones
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Jones
Sibling · 1940 · age 16
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-t0627-01509-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Jones | 30 | Wife | — | Delaware |
| 42 | Milton Jones | 34 | Head | Presser | Maryland |
| 43 | Mary Jones | 33 | Wife | House-Keeper | Virginia |
| 44 | Hunter Carrington | 62 | Lodger | Laborer | Virginia |
| 45 | James Wyche | 34 | Lodger | Grave Digger | Carolina |
| 46 | Henry James | 34 | Head | Chauffeur | Virginia |
| 47 | Mary James | 36 | Wife | Maid | Virginia |
| 48 | Solomon Sandler | 53 | Head | Owner | Russia |
| 49 | Leah Sandler | 50 | Wife | Clerk | Poland |
| 50 | Emanuel Sandler | 20 | Son | Shipping Clerk | England |
| 51 | William Goodman | 57 | Head | Owner | Russia |
| 52 | Belle Goodman | 49 | Wife | Clerk | Russia |
| 53 | Helen Goodman | 19 | Daughter | Clerk | Maryland |
| 54 | Irene Goodman | 14 | Daughter | — | Maryland |
| 55 | Jacob Hyatt | 52 | Head | Coat Baster | Poland |
| 56 | Esther Hyatt | 50 | Wife | — | Poland |
| 57 | John A. Allen | 56 | Head | Laborer | Maryland |
| 58 | Idalia Allen | 45 | Wife | — | Maryland |
| 59 | Ethel C. Allen | 14 | Daughter | — | Maryland |
| 60 | Melvin W. Allen | 9 | Son | — | Maryland |
| 61 | Daniel Webster | 43 | Head | — | Maryland |
| 62 | Ernest Russell | 39 | Head | — | Maryland |
| 63 | James Jones | 40 | Head | — | Maryland |
| 64 | Ruth Jones THIS PERSON | 30 | Daughter | — | Maryland |
| 65 | Leon Jones | 16 | Son | — | Maryland |
| 66 | Ramona Jones | 10 | Daughter | — | Maryland |
| 67 | Dolores Jones | 7 | Daughter | — | Maryland |
| 68 | Joe L. Jones | 5 | Son | — | Maryland |
| 69 | George Jones | 2 | Son | — | Maryland |
| 70 | Ella Owens | 60 | Head | — | Maryland |
| 71 | Brother Simms | 34 | Head | — | Maryland |
| 72 | Fannie Zelokowitz | 50 | Head | — | Maryland |
| 73 | Nick Petillo | 51 | Head | Laborer | Italy |
| 74 | Rose Petillo | 50 | Wife | — | Italy |
| 75 | Philip J. Petillo | 21 | Son | Cement Finisher | Maryland |
| 76 | Fred Shul | 56 | Head | — | Maryland |
| 77 | Ida Shul | 60 | Wife | — | Maryland |
| 78 | — | None | — | — | — |
| 79 | Warner Miller | 41 | Head | Laborer | Maryland |
| 80 | Ethel Miller | 39 | Wife | — | Maryland |
Pedigree Summary
Ruth + 5 siblings
Gen 1 · 4 parents
~0.84
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)