HJ
Harold Jackson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Denver, Colorado
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1914), then head of a 5-person household.
Age 6
b. ~1914
Male
Son
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Denver, Colorado |
| Surname | Jackson |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Utah |
| Additional Details | |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| William Jackson | Son | — | 2 | ~1918 |
| Edward Jackson | Son | — | 7 | ~1913 |
| William Jackson | Head | — | 27 | ~1893 |
| Mary Jackson | Spouse | — | 26 | ~1894 |
| Harold Jackson | Son | — | 6 | ~1914 |
Census Appearances
1920
Denver, Colorado
Son, age 6
Denver, Colorado · implied b. ~1914 — 5 household members
| Surname | Jackson |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Utah |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 14
Denver, Colorado · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 25
Denver-County, Colorado · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 14 County Boulder |
| 1935 Residence (County) | Boulder |
| Occupation | Machine Operator |
| Industry | Moderate Flour & Feed Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1080 |
| Highest Grade | H 4 |
| 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 Harold Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Jackson (~0.92 confidence) and mother Mary Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jackson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Mary Jackson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Son · 1920 · age 6 · b. ~1914 · Colorado
★ You are viewing this record
Sibling
William Jackson
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Jackson
Sibling · 1920 · age 7
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
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:1920:14thcensusofpopu158unit:0595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Cora Adair | 32 | Wife | — | Iowa |
| 52 | Harry Adair | 13 | Son | — | Nebraska |
| 53 | Daisy Adair | 12 | Daughter | — | Nebraska |
| 54 | George Adair | 10 | Son | — | Nebraska |
| 55 | Theodore Adair | 9 | Son | — | Nebraska |
| 56 | Dora Adair | 8 | Daughter | — | Nebraska |
| 57 | Amy Adair | 5 | Daughter | — | Nebraska |
| 58 | Alvin Adair | 3 | Son | — | Nebraska |
| 59 | Alice Adair | 3 | Daughter | — | Nebraska |
| 60 | Joseph Adair | 1 | Son | — | Nebraska |
| 61 | Rudolph Adair | 0 | Son | — | Colorado |
| 62 | Charles A. Betts | 53 | Head | Contractor | New York |
| 63 | Francis A. Betts | 45 | Wife | — | Kansas |
| 64 | Norman L. Betts | 20 | Son | Draftsman | Colorado |
| 65 | Ione E. Betts | 16 | Daughter | Clerk | Colorado |
| 66 | Robert N. Betts | 88 | Father | — | New York |
| 67 | Leo Thayer | 25 | Head | Carpenter | Michigan |
| 68 | Minnie Thayer | 22 | Wife | — | Virginia |
| 69 | Owen Flynn | 79 | Head | Cleaning | Ireland |
| 70 | Mary Flynn | 75 | Wife | — | New York |
| 71 | Thomas F. Cornett | 42 | Head | Carpenter | Missouri |
| 72 | Maud R. Cornett | 38 | Wife | — | Missouri |
| 73 | Ruth Cornett | 19 | Daughter | Operator | Colorado |
| 74 | Charles Cornett | 17 | Son | Deliveryman | Colorado |
| 75 | Freddie Cornett | 14 | Son | — | Colorado |
| 76 | Noreda Cornett | 11 | Daughter | — | West Virginia |
| 77 | William H. Jackson | 27 | Head | Washer | Missouri |
| 78 | Mary E. Jackson | 26 | Wife | — | Utah |
| 79 | Edward L. Jackson | 7 | Son | — | Colorado |
| 80 | Harold L. Jackson THIS PERSON | 6 | Son | — | Colorado |
| 81 | William H. Jr. Jackson | 2 | Son | — | Colorado |
| 82 | John Summers | 33 | Head | Oil Worker | Colorado |
| 83 | Maud Summers | 26 | Wife | — | Colorado |
| 84 | Edith Summers | 4 | Daughter | — | Colorado |
| 85 | John Summers | 3 | Son | — | Colorado |
| 86 | Mona Summers | 1 | Daughter | — | Colorado |
| 87 | John Dickson | 80 | Head | — | Scotland |
| 88 | Nellie Dickson | 60 | Wife | — | Ohio |
| 89 | John Jr. Dickson | 24 | Son | Laborer | Colorado |
| 90 | Frank Dickson | 22 | Son | Repairman | Colorado |
| 91 | Dewey Dickson | 21 | Son | Laborer | Colorado |
| 92 | William Hornby | 54 | Head | Engineer | England |
| 93 | Louisa Hornby | 45 | Wife | — | England |
| 94 | James Hornby | 23 | Son | Laborer | Colorado |
| 95 | Annie Hornby | 13 | Daughter | — | Colorado |
| 96 | Laura Hornby | 10 | Daughter | — | Colorado |
| 97 | Charles E. Witherspoon | 28 | Head | Fireman | Michigan |
| 98 | Anne E. Witherspoon | 22 | Wife | — | Pennsylvania |
| 99 | George Faber | 41 | Head | Fireman | Ohio |
| 100 | Dolly Faber | 40 | Wife | — | Ohio |
Pedigree Summary
Harold + 2 siblings
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)