JD
Joseph Doyle — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Joseph Doyle across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Doyle |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Special Military Training |
| Industry | Government |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 127 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Special Military Training |
| Township / Ward | Denver 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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Doyle | Son | — | 26 | ~1914 |
| Joseph Doyle | Head | — | 62 | ~1878 |
| Alpha Doyle | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Denver, Colorado
Son, age 5
Denver, Colorado · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | Joseph J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 15
Denver, Colorado · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | Joseph F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 26
Denver-County, Colorado · implied b. ~1914 — 3 household members
| Surname | Doyle |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | Special Military Training |
| Industry | Government |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 127 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Joseph Doyle across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Doyle (~0.92 confidence) and father Joseph Doyle (~0.92 confidence) and mother Alma Doyle (~0.92 confidence) and mother Alpha Doyle (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Doyle
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Joseph Doyle
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Alma Doyle
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Alpha Doyle
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Doyle
Son · 1940 · age 26 · b. ~1914 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00487-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Errol Stein | 2 | Son | — | Colorado |
| 2 | Henry Mehlman | 84 | Head | — | Germany |
| 3 | Mildred Mehlman | 45 | Daughter | Secretary | Iowa |
| 4 | Elsie Baker | 62 | Daughter | Maid | Kansas |
| 5 | Earl Mehlman | 20 | Grandson | — | Nebraska |
| 6 | Joseph Doyle | 62 | Head | — | New Jersey |
| 7 | Alpha Doyle | 63 | Wife | — | Iowa |
| 8 | Joseph Doyle THIS PERSON | 26 | Son | Special Military Training | Colorado |
| 9 | George Miller | 77 | Head | — | Germany |
| 10 | Martha Miller | 75 | Wife | — | Germany |
| 11 | Maude Housley | 68 | Head | — | Ohio |
| 12 | Am. Kuehahan | 51 | Head | — | Northern Ireland |
| 13 | Myrtle Kuehahan | 51 | Wife | — | Illinois |
| 14 | Mildred Kuehahan | 25 | Daughter | Grade Teacher | Illinois |
| 15 | Lucille Kuehahan | 21 | Daughter | Clerk | Illinois |
| 16 | William Wilson | 51 | Head | Fire Watchman | Kansas |
| 17 | Merle Wilson | 45 | Wife | — | Iowa |
| 18 | Ray Mcconnell | 31 | Head | Motorman | Louisiana |
| 19 | Ida Mcconnell | 28 | Wife | — | Kansas |
| 20 | John Mcconnell | 4 | Son | — | Colorado |
| 21 | Barbara Mcconnell | 2 | Daughter | — | Colorado |
| 22 | William Fleming | 67 | Head | — | Kansas |
| 23 | Jessie Fleming | 58 | Wife | — | Kansas |
| 24 | Dale Finnman | 64 | Head | Contractor | Colorado |
| 25 | Alice Finnman | 52 | Wife | — | Kansas |
| 26 | William Sullivan | 45 | Head | Owner | Nebraska |
| 27 | Stella Sullivan | 44 | Wife | — | Nebraska |
| 28 | Arch Stokes | 54 | Head | — | Colorado |
| 29 | Durbin Van Law | 49 | Head | Consulting Engineer | Colorado |
| 30 | Grace Van Law | 44 | Wife | — | Iowa |
| 31 | Richard Van Law | 13 | Son | — | Colorado |
| 32 | Carol Van Law | 11 | Daughter | — | Colorado |
| 33 | Theodore Van Law | 8 | Son | — | Colorado |
| 34 | Ida Allison | 29 | Servant | Maid | Colorado |
| 35 | Percival Young | 67 | Head | Manager | England |
| 36 | Esther Young | 63 | Wife | — | Colorado |
| 37 | Leonard Freeman | 38 | Head | Surgeon | Colorado |
| 38 | Josephine Freeman | 31 | Wife | — | Colorado |
| 39 | Leonard Freeman | 5 | Son | — | Colorado |
| 40 | Larry Freeman | 3 | Son | — | Colorado |
Pedigree Summary
Joseph
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)