GJ
Grace Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Grace Jones across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 5-person household.
Age 46
b. ~1894
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Jones |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Industry | H |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1894 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Bert Jones | Head | — | 50 | ~1890 |
| James Jones | Son | — | 17 | ~1923 |
| Robert Jones | Son | — | 21 | ~1919 |
| George Jones | Son | — | 25 | ~1915 |
| Grace Jones | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Polk, Iowa
Spouse, age 27
Polk, Iowa · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Polk, Iowa
Spouse, age 37
Polk, Iowa · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Polk-County, Iowa
Spouse, age 46
Polk-County, Iowa · implied b. ~1894 — 5 household members
| Surname | Jones |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Industry | H |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Grace Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Grace Jones
Spouse · 1940 · age 46 · b. ~1894 · Iowa
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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
40 people indexed on this census page (nara:1940:m-t0627-01195-00209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice G. D'Wild | 37 | Wife | — | Iowa |
| 42 | Billy D'Wild | 13 | Son | — | Iowa |
| 43 | Jack D'Wild | 10 | Son | — | Iowa |
| 44 | Lowry B. Gredal | 47 | Head | Barber | Missouri |
| 45 | Mabel E. Gredal | 46 | Wife | — | Iowa |
| 46 | Emily J. Davis | 65 | Head | Alteration Dept. | Illinois |
| 47 | Edward G. Martinsen | 26 | Head | Clerical Work | Minnesota |
| 48 | Burness E. Martinsen | 25 | Wife | Clerical Work | Iowa |
| 49 | Alice E. Walker | 47 | Head | Teacher | So. Dak. |
| 50 | Pearl Steinberg | 60 | Head | — | Russia |
| 51 | Robert L. Wilhite | 66 | Head | — | Iowa |
| 52 | Laura E. Wilhite | 63 | Wife | — | Iowa |
| 53 | Melvin V. Wilhite | 25 | Son | Clerk | Iowa |
| 54 | Iona A. Wilhite | 25 | Daughter-in-law | — | Iowa |
| 55 | Connie Jo Wilhite | 0 | Daughter | — | Iowa |
| 56 | George C. Sterrett | 53 | Brother | Salesman | Iowa |
| 57 | Norman Hansen | 26 | Head | Clerk | Iowa |
| 58 | Lucille Hansen | 24 | Wife | Comptometer Opr. | Iowa |
| 59 | Alva Ray Adams | 31 | Head | Plant Mgr. | Tennessee |
| 60 | Ruby Adams | 27 | Wife | Credit Dept. Clerk | Illinois |
| 61 | Rode Carpenter | 32 | Head | Salesman | Iowa |
| 62 | Dorothy Carpenter | 32 | Wife | — | Iowa |
| 63 | Joseph Robert Carpenter | 5 | Son | — | Iowa |
| 64 | May Carr | 69 | Head | — | Iowa |
| 65 | Albert N. Lunn | 41 | Head | Contact Repr. | Iowa |
| 66 | Annabel Lunn | 34 | Wife | — | Iowa |
| 67 | Alberta E. Lunn | 17 | Daughter | — | Iowa |
| 68 | Bill Lee Lunn | 15 | Son | — | Iowa |
| 69 | Isabel Lunn | 13 | Daughter | — | Iowa |
| 70 | Thomas Edward Lunn | 2 | Son | — | Iowa |
| 71 | Timothy G. Lunn | 0 | Son | — | Iowa |
| 72 | Bert B. Jones | 50 | Head | Construction Foreman | Kentucky |
| 73 | Grace Jones THIS PERSON | 46 | Wife | — | Kentucky |
| 74 | George L. Jones | 25 | Son | Clerk | Kentucky |
| 75 | Robert Jones | 21 | Son | — | Iowa |
| 76 | James Jones | 17 | Son | — | Iowa |
| 77 | Bernice Mehalovich | 21 | Head | — | Iowa |
| 78 | Larry Mehalovich | 3 | Son | — | Iowa |
| 79 | Peggy Mehalovich | 2 | Daughter | — | Iowa |
| 80 | Oll Conn | 56 | Lodger | Laborer | Iowa |
Related Census Records
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)