RJ
Ruth Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bay-County, Michigan
Our Model Tree links this Ruth Jones across the 1920, 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bay-County, Michigan |
| Surname | Jones |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Additional Details | |
| Highest Grade | C 1 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bay City |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Jones | Daughter | — | 31 | ~1909 |
| John Jones | Head | — | 69 | ~1871 |
| Alfred Jones | Son | — | 28 | ~1912 |
| Clarence Jones | Son | — | 23 | ~1917 |
| Emory Jones | Son | — | 25 | ~1915 |
| Mary Jones | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Bay, Michigan
Daughter, age 12
Bay, Michigan · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jonas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Bay, Michigan
Daughter, age 21
Bay, Michigan · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jonas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Bay-County, Michigan
Daughter, age 31
Bay-County, Michigan · implied b. ~1909 — 6 household members
| Surname | Jones |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Highest Grade | C 1 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 John Jonas (~0.92 confidence) and father John Jonas (~0.92 confidence) and mother Mary Jonas (~0.92 confidence) and mother Mary Jonas (~0.92 confidence) and father John Jones (~0.92 confidence) and mother Mary Jones (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jonas
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Jonas
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Jonas
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mary Jonas
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
John Jones
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Jones
Daughter · 1940 · age 31 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Clarence Jones
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emory Jones
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Jones
Sibling · 1940 · age 28
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 — Bay-County, Michigan
Open full size
1940 US Federal Census — Bay-County, Michigan
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01728-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vera Bluhm | 56 | Wife | — | Michigan |
| 42 | Catherine Bluhm | 25 | Daughter | Punch Press Operator | Michigan |
| 43 | Malcolm Bluhm | 24 | Son | Deckhand | Michigan |
| 44 | Eunice Bluhm | 21 | Daughter | Laborer | Michigan |
| 45 | Russell Pauve | 45 | Head | Automotive Operator | Michigan |
| 46 | Cretia Pauve | 44 | Wife | — | Michigan |
| 47 | Charmaine Pauve | 19 | Daughter | — | Michigan |
| 48 | Bonnie Pauve | 14 | Daughter | — | Michigan |
| 49 | Duane Pauve | 10 | Son | — | Michigan |
| 50 | Ernest Ebelt | 43 | Head | Welder | Michigan |
| 51 | Stella Ebelt | 38 | Wife | — | Ohio |
| 52 | Alvin Ebelt | 8 | Son | — | Michigan |
| 53 | Eleanor Ebelt | 7 | Daughter | — | Michigan |
| 54 | Robert Downer | 54 | Head | Owner Manager | Michigan |
| 55 | Mabel Downer | 40 | Wife | Bookkeeper | Michigan |
| 56 | R. J. Downer | 25 | Son | Salesman | Michigan |
| 57 | William Downer | 20 | Son | — | Michigan |
| 58 | Joan Downer | 10 | Daughter | — | Michigan |
| 60 | William Dempster | 63 | Head | Watchman | Scotland |
| 61 | Adelaide Dempster | 58 | Wife | — | Michigan |
| 62 | William H. Dempster | 31 | Son | Clerical | Michigan |
| 63 | John Schmidt | 47 | Head | Cellarworker | Germany |
| 64 | Minnie Schmidt | 39 | Wife | — | Michigan |
| 65 | Louis Schmidt | 25 | Son | Coremaker | Michigan |
| 66 | Eleanor Schmidt | 24 | Daughter | Inspector | Michigan |
| 67 | Francis Schmidt | 16 | Grandson | — | Michigan |
| 68 | Louise M. Batram | 50 | Head | — | Austria |
| 69 | Mary Jane Batram | 21 | Daughter | This Girl Has A Baby Comes Under | Michigan |
| 70 | Thomas Robert Batram | 19 | Son | Helper In Mother'S Grocery Business | Michigan |
| 71 | James Batram | 76 | Brother-in-law | — | Canada-English |
| 73 | John H. Jones | 69 | Head | Miller | Michigan |
| 74 | Mary Jones | 55 | Wife | — | Germany |
| 75 | Ruth Jones THIS PERSON | 31 | Daughter | — | Michigan |
| 76 | Alfred Jones | 28 | Son | Chemist Helper | Michigan |
| 77 | Emory Jones | 25 | Son | Trucking Car | Michigan |
| 78 | Clarence Jones | 23 | Son | Stock Room Clerk | Michigan |
| 79 | John Kline | 35 | Head | Automotive Operator | Michigan |
| 80 | Lulu Kline | 34 | Wife | — | Michigan |
Related Census Records
Pedigree Summary
Ruth + 3 siblings
Gen 1 · 6 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)