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Frank Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Idaho
Our Model Tree links this Frank Dunn across the 1920, 1930 and 1940 US Censuses in Clark-County, Idaho (XGBoost, ~Confirmed), with identified parents Harry & Emily — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Idaho |
| Surname | Dunn |
| Given Name | Frank C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Los Angeles |
| Additional Details | |
| Occupation | Switch Trench |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | C 1 |
| 1935 Residence | California |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Switch Trench |
| Township / Ward | Spencer |
| Est. Birth Year | ~1910 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frankie Dunn | Son | — | 2 | ~1938 |
| William Miller | Other | — | 22 | ~1918 |
| Frank Dunn | Head | — | 30 | ~1910 |
| Effie Dunn | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Clark, Idaho
Son, age 10
Clark, Idaho · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Franklin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | England |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Clark, Idaho
Son, age 20
Clark, Idaho · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Frank C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Idaho |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | Sweden |
| Occupation | Camp Tender |
| Industry | Sheep Outfit |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Clark-County, Idaho
Head, age 30
Clark-County, Idaho · implied b. ~1910 — 4 household members
| Surname | Dunn |
| Given Name | Frank C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Los Angeles |
| Occupation | Switch Trench |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | C 1 |
| 1935 Residence | California |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Frank Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Dunn (~0.92 confidence) and mother Emily Dunn (~0.92 confidence) and mother Helga Dunn (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Dunn
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Emily Dunn
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Helga Dunn
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Dunn
Head · 1940 · age 30 · b. ~1910 · Idaho
★ 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 — Clark-County, Idaho
Open full size
1940 US Federal Census — Clark-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00744-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ronald Sam Stoddard | 3 | Son | — | Idaho |
| 42 | Harry Taylor | 61 | Head | Laborer | England |
| 43 | Amelia Ann Taylor | 60 | Wife | — | England |
| 44 | Hayes Ernest | 30 | Son | Forest Ranger | Idaho |
| 45 | Jessie Ann Ernest | 28 | Daughter | Teacher School | Idaho |
| 46 | John Sam Ernest | 21 | Son | Salesman | Idaho |
| 47 | George Clifford Ernest | 19 | Son | Salesman | Idaho |
| 48 | Carl H. Hensley | 30 | Head | Forest Guard | Idaho |
| 49 | Loraine A. Hensley | 24 | Wife | — | Washington |
| 50 | Maurice Easton | 27 | Head | Section Work | Washington |
| 51 | Stella W. Easton | 24 | Wife | — | Utah |
| 52 | A. Roy Simmons | 64 | Head | Salesman | West Virginia |
| 53 | Imogene Simmons | 60 | Wife | — | California |
| 54 | Haskel A. Simons | 30 | Head | Truck Driver | Idaho |
| 55 | Genevieve Simons | 28 | Wife | — | Idaho |
| 56 | Delmer Simons | 4 | Son | — | Idaho |
| 57 | Clarence Ganger | 49 | Head | Station Agent | Minnesota |
| 58 | Florence Ganger | 45 | Wife | — | Wyoming |
| 59 | Doris Ganger | 17 | Daughter | — | Montana |
| 60 | Donald Ganger | 15 | Son | — | Wyoming |
| 61 | George B. Howell | 49 | Head | Laborer | Pennsylvania |
| 62 | Dora L. Howell | 44 | Wife | — | South Dakota |
| 63 | John W. Howell | 15 | Son | — | Utah |
| 64 | Doris L. Howell | 12 | Daughter | — | Idaho |
| 65 | Mary Helen Howell | 9 | Daughter | — | South Dakota |
| 66 | Alton E. Howell | 6 | Son | — | Idaho |
| 67 | Cordelia C. Mcpherson | 24 | Head | Teacher | Idaho |
| 68 | Genevieve E. Gavin | 31 | Head | Teacher | Idaho |
| 69 | Frank C. Dunn THIS PERSON | 30 | Head | Switch Trench | Idaho |
| 70 | Effie C. Dunn | 26 | Wife | — | Utah |
| 71 | Frankie K. Dunn | 2 | Son | — | Oregon |
| 72 | William G. Miller | 22 | Lodger | Laborer | Idaho |
| 73 | Ellen Lyons | 51 | Head | — | North Carolina |
| 74 | Joseph Lyons | 37 | Son | Farm Labor | North Carolina |
| 75 | V. Rose Lyons | 18 | Daughter | — | Idaho |
| 76 | Henry Bengee | 50 | Head | — | Scotland |
| 77 | Harry A. Dunn | 32 | Head | Laborer | Utah |
| 78 | Hellen M. Dunn | 30 | Wife | — | Utah |
| 79 | Elizabeth Lawson | 60 | Head | — | Utah |
| 80 | Myra Lawson | 30 | Daughter | Teaching | Idaho |
Pedigree Summary
Frank
Gen 1 · 3 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)