CJ
Clifford Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Clifford Jones across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents H & Ralph — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Jones |
| Given Name | Clifford |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | WPA Sewer project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Truck Driver |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clifford | Age | Birth yr |
|---|---|---|---|---|
| Harriett Jones | Daughter | — | 3 | ~1937 |
| Clifford Jones | Head | — | 26 | ~1914 |
| Marie Jones | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Polk, Iowa
Son, age 6
Polk, Iowa · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Janes |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 16
Polk, Iowa · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Grading Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 26
Polk-County, Iowa · implied b. ~1914 — 3 household members
| Surname | Jones |
| Given Name | Clifford |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Truck Driver |
| Industry | WPA Sewer project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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 Clifford Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father H Janes (~0.92 confidence) and father Ralph Jones (~0.60 confidence) and father H Janes (~0.54 confidence) and mother Hattie Janes (~0.54 confidence) and mother Hattie Janes (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.7
Father
H Janes
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Ralph Jones
b. ~1905
Source father
● Household
· direct · ~0.6
Father
H Janes
b. ~1873
Source father>father
● Household
· direct · ~0.54
Mother
Hattie Janes
b. ~1876
Source father>mother
● Household
· direct · ~0.54
Mother
Hattie Janes
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clifford Jones
Head · 1940 · age 26 · b. ~1914 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01194-00570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jay D. Martin | 48 | Head | Painter | Iowa |
| 42 | Lottie Martin | 41 | Wife | Saleslady | Tennessee |
| 43 | Harold Eraland | 20 | Son in law | Truck Driver | Iowa |
| 44 | Maxine Eraland | 19 | Daughter | — | Tennessee |
| 45 | J. H. Keeter | 54 | Head | Machinist | Iowa |
| 46 | Clara D. Keeter | 51 | Wife | — | Iowa |
| 47 | W. R. Banning | 44 | Head | Painter | Missouri |
| 48 | Beatrice F. Banning | 45 | Wife | — | Missouri |
| 49 | F. C. Linguist | 44 | Head | Tailor | Sweden |
| 50 | Sigrid D. Linguist | 47 | Wife | — | Sweden |
| 51 | Frances Linguist | 21 | daughter | Photo Finisher | Iowa |
| 52 | Conrad Linguist | 18 | son | Paper Carrier | Iowa |
| 53 | Ruth Linguist | 15 | daughter | — | Iowa |
| 54 | Clifford Jones THIS PERSON | 26 | Head | Truck Driver | Iowa |
| 55 | Marie A. Jones | 21 | wife | — | Iowa |
| 56 | Harriett Jones | 3 | daughter | — | Iowa |
| 57 | Violet S. Hartenstein | 39 | Head | Artist | Iowa |
| 58 | Donald Hartenstein | 14 | son | — | Iowa |
| 59 | Merlin Hartenstein | 12 | son | — | Iowa |
| 60 | Leonard Hartenstein | 5 | son | — | Iowa |
| 61 | Geo. D. Harris | 57 | Head | Contractor | Iowa |
| 62 | Stella Harris | 57 | wife | — | Iowa |
| 64 | Cecil H. Spurgeon | 39 | Head | Sales Work | Iowa |
| 65 | Frances Spurgeon | 37 | wife | — | Iowa |
| 66 | Jack Spurgeon | 20 | son | Fireman | Iowa |
| 67 | William Spurgeon | 17 | son | — | Iowa |
| 68 | Irvin A. Lewis | 61 | Head | Plumber | Wisconsin |
| 69 | Violet M. Lewis | 60 | wife | — | England |
| 70 | Levi R. Bentema | 55 | Head | Collector | Iowa |
| 71 | Daisy Bentema | 60 | wife | — | Iowa |
| 72 | James D. Mitchell | 58 | Head | Rehabilitation Asst | Scotland |
| 73 | John P. Mitchell | 26 | son | Accountant | Illinois |
| 74 | Evelyn Mitchell | 25 | daughter in law | — | Iowa |
| 75 | Geo. W. Row | 58 | Head | City Railway Op. | Pa |
| 76 | Laura Row | 52 | wife | — | Pa |
| 77 | Ethel Row | 19 | daughter | — | Pa |
| 78 | George R. Row | 24 | son | Maintance Man | Iowa |
| 79 | Marsha Row | 23 | daughter in law | — | Illinois |
| 80 | Byrha Waggner | 50 | Head | — | Missouri |
Pedigree Summary
Clifford
Gen 1 · 3 parents
~0.81
Gen 2 · 2 grandparents
~0.54
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)