RJ
Ralph Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Ralph Jones across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Alexander & Sarah — first a son (b.~1920), then head of a 14-person household.
Age 20
b. ~1920
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1920 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Rosetta Jones | Daughter | — | 9 | ~1931 |
| Marian Jones | Daughter | — | 18 | ~1922 |
| John Jones | Daughter | — | 3 | ~1937 |
| Maurice Jones | Daughter | — | 13 | ~1927 |
| Alexander Jones | Head | — | 42 | ~1898 |
| Rivers Jones | Other | — | 33 | ~1907 |
| Samuel Boan | Other | — | 55 | ~1885 |
| Lawrence Gaither | Other | — | 63 | ~1877 |
| Albert Jones | Son | — | 19 | ~1921 |
| Ralph Jones | Son | — | 20 | ~1920 |
| Eugene Jones | Son | — | 6 | ~1934 |
| Thomas Jones | Son | — | 12 | ~1928 |
| James Jones | Son | — | 16 | ~1924 |
| Sarah Jones | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age
Cuyahoga, Ohio · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralf |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 10
Cuyahoga, Ohio · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 20
Cuyahoga-County, Ohio · implied b. ~1920 — 14 household members
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Ralph Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Jones (~0.92 confidence) and mother Sarah Jones (~0.92 confidence) and father Alexander Jones (~0.92 confidence) and father Alexander Jones (~0.92 confidence) and mother Sarah Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Jones
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Sarah Jones
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Alexander Jones
b. ~1898
Source father
● Household
· direct · ~0.92
Father
Alexander Jones
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Sarah Jones
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Jones
Son · 1940 · age 20 · b. ~1920 · Ohio
★ You are viewing this record
Sibling
John Jones
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Jones
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Jones
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosetta Jones
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Jones
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Jones
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James 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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03214-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norwood Montgomery | 45 | Lodger | Porter | D.C. |
| 2 | Delores Patterson | 9 | Lodger | — | Ohio |
| 3 | William Hill | 5 | Lodger | — | Ohio |
| 4 | Gilbert Hill | 3 | Lodger | — | Ohio |
| 5 | William Bardwell | 42 | Lodger | Truck Driver | Tennessee |
| 6 | John Pope | 50 | Lodger | Common Labor | Tennessee |
| 7 | James Johnson | 53 | Head | Freshman | Alabama |
| 8 | Hilda Johnson | 56 | Wife | Housework | Ohio |
| 9 | Daisy Banks | 42 | Lodger | Housework | Alabama |
| 10 | Thomas Mccloskey | 45 | Lodger | Common Labor | Kentucky |
| 11 | Clarence Hilborn | 40 | Lodger | Cook | D.C. |
| 12 | Emerson Douglas | 44 | Lodger | Car Washer | Georgia |
| 13 | Sarah Knight | 34 | Lodger | Cutter | Alabama |
| 14 | Mary Behrens | 42 | Head | Housework | Kentucky |
| 15 | Elizabeth Horton | 24 | Lodger | Housework | Alabama |
| 16 | Herbert Pinner | 31 | Lodger | Baker | South Carolina |
| 17 | Robert Horton | 30 | Lodger | Common Labor | Tennessee |
| 18 | Leonard Parker | 34 | Head | Chipper | Virginia |
| 19 | Emilie Parker | 24 | Wife | — | Florida |
| 20 | Evelyn Parker | 10 | Daughter | — | Ohio |
| 21 | Leonard Parker | 7 | Son | — | Ohio |
| 22 | Kenneth Parker | 5 | Son | — | Ohio |
| 23 | Alvin Mayo | 20 | Head | Priest | D.C. |
| 24 | Aleathia Mayo | 29 | Wife | — | D.C. |
| 25 | Cecelia Mayo | 6 | Daughter | — | D.C. |
| 26 | Scotti Mayo | 6 | Nephew | — | D.C. |
| 27 | Alexander M. Jones | 42 | Head | Common Labor | Georgia |
| 28 | Sarah Jones | 46 | Wife | — | Georgia |
| 29 | Ralph Jones THIS PERSON | 20 | Son | — | Ohio |
| 30 | Albert Jones | 19 | Son | — | Ohio |
| 31 | Marian Jones | 18 | Daughter | — | Ohio |
| 32 | James Jones | 16 | Son | — | Ohio |
| 33 | Maurice A. Jones | 13 | Daughter | — | Ohio |
| 34 | Rosetta Jones | 9 | Daughter | — | Ohio |
| 35 | Eugene Jones | 6 | Son | — | Ohio |
| 36 | John A. Jones | 3 | Daughter | — | Ohio |
| 37 | Thomas D. Jones | 12 | Son | — | Ohio |
| 38 | Samuel Boan | 55 | Lodger | Common Labor | Tennessee |
| 39 | Lawrence Gaither | 63 | Lodger | Common Labor | Georgia |
| 40 | Rivers Jones | 33 | Lodger | — | Georgia |
Pedigree Summary
Ralph + 8 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)