JD
John Day — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Denver, Colorado
Our Model Tree links this John Day across the 1910, 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 6-person household.
Age 65
b. ~1865
Male
Head
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Day |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Denver City |
| Est. Birth Year | ~1865 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Grace Day | Daughter | — | 32 | ~1898 |
| Edna Day | Daughter | — | 24 | ~1906 |
| John Day | Head | — | 65 | ~1865 |
| Kate Day | Other | — | 55 | ~1875 |
| Henry Hodapp | Other | — | 2 | ~1928 |
| Frank Day | Son | — | 20 | ~1910 |
Census Appearances
1910
Denver, Colorado
Head, age 48
Denver, Colorado · implied b. ~1862 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Missouri |
| Years Married | 23 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Odd jobs |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Denver, Colorado
Head, age 58
Denver, Colorado · implied b. ~1862 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Denver, Colorado
Head, age 65
Denver, Colorado · implied b. ~1865 — 6 household members
| Surname | Day |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 John Day across 3 US Census years (1910, 1920 and 1930) in Denver, Colorado, using XGBoost record linkage.
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This person
Anchor record
John Day
Head · 1930 · age 65 · b. ~1865 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus234unit:0633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel A Doolum | 37 | Head | Installer Of Furnaces | Ohio |
| 2 | Bessie Doolum | 35 | Wife-H | — | Ohio |
| 3 | Margaret Doolum | 14 | Daughter | — | Colorado |
| 4 | Marie Doolum | 13 | Daughter | — | Colorado |
| 5 | Frank Waldhart | 47 | Head | Driver | Colorado |
| 6 | Anna Waldhart | 78 | Mother-H | — | Germany |
| 7 | John W Day THIS PERSON | 65 | Head | Laborer | Missouri |
| 8 | Kate Day | 55 | Wife-H | — | Missouri |
| 9 | Grace Day | 32 | Daughter | Switchboard Operator | Colorado |
| 10 | Edna Day | 24 | Daughter | Mail Order Clerk | Colorado |
| 11 | Frank Day | 20 | Son | Supply Clerk | Colorado |
| 12 | Henry Hodapp | 2 | Grand-son | — | Colorado |
| 13 | Anna Roberts | 53 | Head | Day Laborer | Illinois |
| 14 | Leonard Hurst | 32 | Head | Salesman | Texas |
| 15 | Norma Hurst | 30 | Wife-H | Tailoress | Missouri |
| 16 | Leonard Jr Hurst | 11 | Son | — | Tennessee |
| 17 | Melva L Hurst | 9 | Daughter | — | Ohio |
| 18 | Eldon Hurst | 6 | Son | — | Colorado |
| 19 | Marjorie D Hurst | 1 | Daughter | — | Colorado |
| 20 | Eunice D Anderson | 18 | Servant-H | House Keeper | Colorado |
| 21 | Ernest E Feak | 49 | Head | Decorator | Colorado |
| 22 | Mary C Feak | 34 | Wife-H | — | Colorado |
| 23 | Charles Hartford | 13 | Step-son | — | Colorado |
| 24 | John Hartford | 10 | Step-son | — | Colorado |
| 25 | Ethan Feak | 9 | Son | — | Colorado |
| 26 | Lelia Feak | 7 | Daughter | — | Colorado |
| 27 | Dorothy Feak | 4 | Daughter | — | Colorado |
| 28 | Nina N Feak | 0 | Daughter | — | Colorado |
| 29 | David Moreland | 45 | Head | Laborer | Missouri |
| 30 | Eva Moreland | 33 | Wife-H | Housework | Missouri |
| 31 | Garland Moreland | 13 | Son | — | Missouri |
| 32 | Maurice Goggin | 57 | Head | Laborer | Irish Free State |
| 33 | Kittie A Goggin | 45 | Wife-H | — | Irish Free State |
| 34 | John E Goggin | 21 | Son | Bookkeeper | Colorado |
| 35 | Jacob Gust | 38 | Head | Ice & Coal | Russia |
| 36 | Marie Gust | 29 | Wife-H | — | Russia |
| 37 | Elmer J Gust | 9 | Son | — | Wyoming |
| 38 | Elsie M Gust | 7 | Daughter | — | Wyoming |
| 39 | Huldah Kelsey | 61 | Head-H | Housework | Michigan |
| 40 | Rowland Kelsey | 32 | Son | Deliveryman | Texas |
| 41 | Oliver S Kelsey | 20 | Son | Laborer | Colorado |
| 42 | Albert Biglow | 66 | Brother | — | Michigan |
| 43 | Beatrice Nilsey | 4 | Niece | — | Colorado |
| 44 | William Specht | 72 | Head | — | New Jersey |
| 45 | Emma Specht | 73 | Wife-H | — | Ohio |
| 46 | Joseph A Specht | 38 | Son | Steam Fitter | Colorado |
| 47 | Josephine Specht | 40 | Daughter-in-law | Manager | Colorado |
| 48 | Emma Specht | 13 | Grand-daughter | — | Colorado |
| 49 | William Specht | 12 | Grand-son | — | Colorado |
| 50 | Jacqueline Specht | 9 | Grand-daughter | — | Colorado |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)