RJ
Robert Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Robert Jones across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents Robert & Carry — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Jones |
| Given Name | Robert A. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Rockingham Township |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 90 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Rockingham Township |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Jones | Daughter | — | 17 | ~1923 |
| Robert Jones | Head | — | 50 | ~1890 |
| Robert Jones | Son | — | 24 | ~1916 |
| Flora Jones | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Scott, Iowa
Son, age 2
Scott, Iowa · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 13
Scott, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Robert A Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 24
Scott-County, Iowa · implied b. ~1916 — 4 household members
| Surname | Jones |
| Given Name | Robert A. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Rockingham Township |
| 1935 Residence (County) | Scott |
| Occupation | laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 90 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Robert Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Jones (~0.92 confidence) and father Carry Jones (~0.92 confidence) and mother Elsie Jones (~0.92 confidence) and mother Flora Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Jones
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Carry Jones
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Elsie Jones
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Flora Jones
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jones
Son · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Mary Jones
Sibling · 1940 · age 17
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 — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01203-01235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard Berg | 30 | head | Manager | Iowa |
| 2 | Nell Berg | 31 | wife | Bookkeeper | Minnesota |
| 3 | Daniel Berg | 10 | son | — | Iowa |
| 4 | Mary Berg | 1 | daughter | — | Iowa |
| 5 | Pauline Boldtsoff | 59 | mother-in-law | — | Minnesota |
| 6 | Augusta Boldtsoff | 87 | aunt-in-law | — | Germany |
| 7 | Carl Wills | 42 | head | Rollerman | Iowa |
| 8 | Jeanette Wills | 30 | wife | — | Illinois |
| 9 | Mabel Majestic | 19 | niece | — | Iowa |
| 10 | Edward Black | 30 | head | Gluemaker | Illinois |
| 11 | Birdella Black | 28 | wife | — | Illinois |
| 12 | Mary Black | 5 | daughter | — | Illinois |
| 13 | Violet Quisenberry | 14 | sister-in-law | — | Illinois |
| 14 | William J. O'Brien | 73 | head | Fisherman | New York |
| 15 | William J. Roller | 29 | head | Cook | South Dakota |
| 16 | Helen Roller | 26 | wife | — | Iowa |
| 17 | William J. Roller | 5 | son | 0 | Iowa |
| 18 | Frank P. Roller | 36 | brother | Mechanic | South Dakota |
| 19 | Gertrude Roller | 31 | wife | — | Iowa |
| 20 | John Funkmann | 63 | head | Farmer | Illinois |
| 21 | Minnie Funkmann | 59 | wife | — | Illinois |
| 22 | Robert A. Jones | 50 | head | Glazier | Iowa |
| 23 | Flora Jones | 51 | wife | — | Iowa |
| 24 | Robert A. Jr. Jones THIS PERSON | 24 | son | Laborer | Iowa |
| 25 | Mary A. Jones | 17 | daughter | — | Iowa |
| 26 | Burton Voss | 31 | head | Laborer | Missouri |
| 27 | Lillian Voss | 23 | wife | — | Minnesota |
| 28 | Robert Baker | 21 | head | Fish Market | Iowa |
| 29 | Lesta Baker | 19 | wife | — | Iowa |
| 30 | Roberta Baker | 2 | daughter | 0 | Iowa |
| 31 | Dan Stratton | 52 | head | Meat Cutter | Iowa |
| 32 | Nettie Stratton | 52 | wife | — | Iowa |
| 33 | James E. Chatman | 32 | head | Meat Cutter | Illinois |
| 34 | Yama A. Chatman | 59 | wife | — | Illinois |
| 35 | Ruby Chatman | 59 | mother | — | Nebraska |
| 36 | Amos Le Roy Chatman | 21 | brother | 156 Truck Driver | Iowa |
| 37 | Carl Height | 55 | head | 26 Clam Digger | Iowa |
| 38 | Lucia Height | 49 | wife | — | Missouri |
| 39 | Wesley Height | 21 | son | Realla | Iowa |
| 40 | Carl Wesley Height | 5 | grandson | 0 | Iowa |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 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)