JD
James Doyle — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this James Doyle across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Doyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Bettendorf City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | Machine operator |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Machine Operator |
| Township / Ward | Bettendorf City |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Doyle | Daughter | — | 23 | ~1917 |
| Delores Doyle | Other | — | 6 | ~1934 |
| Ronald Doyle | Other | — | 5 | ~1935 |
| Edna Doyle | Other | — | 19 | ~1921 |
| James Doyle | Son | — | 29 | ~1911 |
| Charles Doyle | Son | — | 22 | ~1918 |
| Ethel Doyle | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Scott, Iowa
Son, age 10
Scott, Iowa · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 20
Scott, Iowa · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Occupation | Machinist Shoulderer |
| Industry | Wheel works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 29
Scott-County, Iowa · implied b. ~1911 — 7 household members
| Surname | Doyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Bettendorf City |
| 1935 Residence (County) | Scott |
| Occupation | Machine operator |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 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 James Doyle across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Doyle (~0.92 confidence) and father James Doyle (~0.92 confidence) and mother Mary Doyle (~0.92 confidence) and mother Ethel Doyle (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Father
James Doyle
b. ~1867
Source father
● Household
· direct · ~0.92
Father
James Doyle
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Doyle
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Ethel Doyle
b. ~1915
Source mother
● Household
· direct · ~0.5
This person
Anchor record
James Doyle
Son · 1940 · age 29 · b. ~1911 · Iowa
★ You are viewing this record
Sibling
Dorothy Doyle
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Doyle
Sibling · 1940 · age 22
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-t0627-01202-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel L Doyle | 25 | Wife | — | Iowa |
| 42 | James Doyle THIS PERSON | 29 | Son | Machine Operator | Iowa |
| 43 | Dorothy Doyle | 23 | Daughter | Wrapper | Iowa |
| 44 | Ronald Doyle | 5 | Grandson | — | Iowa |
| 45 | Delores Doyle | 6 | Granddaughter | — | Iowa |
| 46 | Charles Doyle | 22 | Son | Body & Fender | Iowa |
| 47 | Edna Doyle | 19 | Daughter-in-law | — | Iowa |
| 48 | William Mcaninch | 31 | Head | Wheel Truer | Iowa |
| 49 | Agnes Mcaninch | 28 | Wife | — | Iowa |
| 50 | Janet Mcaninch | 4 | Daughter | — | Iowa |
| 51 | David Mcaninch | 2 | Son | — | Iowa |
| 52 | Edward Stein | 41 | Head | Mechanic | Iowa |
| 53 | Willabella Stein | 40 | Wife | — | Iowa |
| 54 | Marilyn Stein | 14 | Daughter | — | Iowa |
| 55 | Paul Kimmel | 32 | Head | Yard Foreman | Iowa |
| 56 | Lillie Kimmel | 30 | Wife | — | Iowa |
| 57 | John Kimmel | 10 | Son | — | Iowa |
| 58 | Paula Kimmel | 8 | Daughter | — | Iowa |
| 59 | Richard Kimmel | 0 | Son | — | Iowa |
| 60 | John Domer | 28 | Head | Bookkeeper | Iowa |
| 61 | Rosamond Domer | 27 | Wife | — | Illinois |
| 62 | James Domer | 0 | Son | — | Iowa |
| 63 | Minnie Howard | 67 | Head | — | Germany |
| 64 | Herman C Douda | 56 | Head | Polisher | South Dakota |
| 65 | James Correy | 50 | Head | Machine Operator | Iowa |
| 66 | Elvira Correy | 45 | Wife | Wrapper | Iowa |
| 67 | Doretta Correy | 23 | Daughter | — | Iowa |
| 68 | Le Roy Stokes | 62 | Head | Yard Foreman | Illinois |
| 69 | Myrtle Stokes | 49 | Wife | Cook | Nebraska |
| 70 | Lillian Cook | 79 | Head | — | Penn |
| 71 | Gilbert H Frey | 74 | Head | — | Illinois |
| 72 | Dewey E Husted | 41 | Head | Laborer | Illinois |
| 73 | Lovell Husted | 36 | Wife | Rag Sorter | Kansas |
| 74 | Dewayne Husted | 14 | Son | — | Nebraska |
| 75 | Rovora Husted | 8 | Daughter | — | Nebraska |
| 76 | Garland Husted | 7 | Son | — | Iowa |
| 77 | Roland Husted | 1 | Son | — | Iowa |
| 78 | Pete Lora | 25 | Lodger | Yardman | Iowa |
| 79 | Edwin Licht | 30 | Head | Inspector | Iowa |
| 80 | Florence Licht | 31 | Wife | — | Iowa |
Pedigree Summary
James + 2 siblings
Gen 1 · 4 parents
~0.81
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)