JD
John Day — 1920 US Census Record
Model Tree available1920 United States Federal Census · Denver, Colorado
Our Model Tree links this John Day across the 1900, 1910 and 1920 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents Margaret & Thomas — first a head (b.~1889), then head of a 5-person household.
Age 31
b. ~1889
Male
Head
Born: Colorado
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Denver, Colorado |
| Surname | Day |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Reporter |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Reporter |
| Township / Ward | Denver City |
| Est. Birth Year | ~1889 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marion Day | Daughter | — | 6 | ~1914 |
| Margaret Day | Daughter | — | 2 | ~1918 |
| John Day | Head | — | 31 | ~1889 |
| John Doxsee | Other | — | 24 | ~1896 |
| Frances Day | Spouse | — | 31 | ~1889 |
Census Appearances
1900
Arapahoe, Colorado
Son, age 12
Arapahoe, Colorado · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Jan |
| Birth Year | 1888 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Occupation | at school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Denver, Colorado
Son, age 22
Denver, Colorado · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Occupation | Reporter |
| Industry | Newspaper |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Head, age 31
Denver, Colorado · implied b. ~1889 — 5 household members
| Surname | Day |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Wisconsin |
| Occupation | Reporter |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 John Day across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Day (~0.92 confidence) and father Thomas Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Day
b. ~1856
Source mother
● Household
· direct · ~0.92
Father
Thomas Day
b. ~1867
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Day
Head · 1920 · age 31 · b. ~1889 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Denver, Colorado
Open full size
1920 US Federal Census — Denver, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu161unit:0389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marguerite M Graulich | 4 | Daughter | — | New Mexico |
| 2 | Mary Simpkins | 34 | Head | General Housework | Nebraska |
| 3 | Timothy Kearney | 45 | Half Brother | Locomotive Engineer | Illinois |
| 4 | John B Day THIS PERSON | 31 | Head | Reporter | Colorado |
| 5 | Frances M Day | 31 | Wife | — | Colorado |
| 6 | Marion E Day | 6 | Daughter | — | Colorado |
| 7 | Margaret V Day | 2 | Daughter | — | Colorado |
| 8 | John E Doxsee | 24 | Brother-in-law | Bookkeeper | Colorado |
| 9 | Harley Younker | 48 | Head | Freight Clerk | Colorado |
| 10 | Anna Younker | 47 | Wife | — | Wisconsin |
| 11 | Clarence T Younker | 12 | Son | — | Colorado |
| 12 | William H Houk | 41 | Head | Switchman | Missouri |
| 13 | Gertrude V Houk | 38 | Wife | — | Colorado |
| 14 | William F Morgan | 21 | Nephew-in-law | — | Colorado |
| 15 | Thomas P Hilton | 55 | Head | Machinist'S Helper | New York |
| 16 | Rebecca M Hilton | 57 | Wife | — | England |
| 17 | Anna A Hilton | 25 | Daughter | Stenographer | Colorado |
| 18 | Thomas H Hilton | 20 | Son | Press Feeder | Colorado |
| 19 | William G Bible | 40 | Head | Gas Fitter | Colorado |
| 20 | Millie M Bible | 42 | Wife | — | Maryland |
| 21 | William H Knopke | 24 | Stepson | Laborer | Kansas |
| 22 | James M Bible | 74 | Head | — | Ireland |
| 23 | Mary A Bible | 66 | Wife | — | Wisconsin |
| 24 | Gael M Bible | 35 | Son | Estimator | Colorado |
| 25 | Florence G Bible | 36 | Daughter-in-law | — | Colorado |
| 26 | Edward G Bible | 1 | Grandson | — | Colorado |
| 27 | Edward O Bible | 28 | Son | Cable Splicer | Colorado |
| 28 | Frank L Asher | 36 | Head | Dealer | Kansas |
| 29 | Gertrude A Asher | 31 | Wife | Laundry | Colorado |
| 30 | Marguerite L Asher | 13 | Daughter | — | Colorado |
| 31 | Emile Bern | 65 | Head | Machinist | Alsace Lorraine |
| 32 | Katherine M Bern | 63 | Wife | — | New York |
| 33 | Timothy J Sullivan | 48 | Head | Officer | Ireland |
| 34 | Johanna B Sullivan | 48 | Wife | — | Ireland |
| 35 | Mary E Sullivan | 18 | Daughter | Stenographer | Colorado |
| 36 | John J Sullivan | 17 | Son | Machinist'S Helper | Colorado |
| 37 | Katherine M Sullivan | 15 | Daughter | — | Colorado |
| 38 | Josephine M Sullivan | 12 | Daughter | — | Colorado |
| 39 | Ann M Sullivan | 10 | Daughter | — | Colorado |
| 40 | Geraldine M Sullivan | 8 | Daughter | — | Colorado |
| 41 | Timothy W Sullivan | 3 | Son | — | Colorado |
| 42 | Elizabeth J Francis | 66 | Head | — | Canada |
| 43 | Eliza J Durham | 59 | Sister | — | Canada |
| 44 | Della S Miller | 41 | Head | Retail Merchant | Pennsylvania |
| 45 | D Robert Miller | 18 | Son | Office Boy | Colorado |
| 46 | George J Sheiffer | 37 | Head | Laborer | Germany |
| 47 | Lila J Sheiffer | 31 | Wife | — | Colorado |
| 48 | Grace J Sheiffer | 8 | Daughter | — | Colorado |
| 49 | Emily M Sheiffer | 5 | Daughter | — | Colorado |
| 50 | Esther A Sheiffer | 3 | Daughter | — | Colorado |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)