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Harry Hanson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boulder, Colorado
Our Model Tree links this Harry Hanson across the 1930 and 1940 US Censuses in Boulder, Colorado (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Male
Son
Born: Montana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boulder, Colorado |
| Surname | Hanson |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Boulder City |
| Est. Birth Year | ~1913 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Ida Hanson | Daughter | — | 11 | ~1919 |
| Joe Hanson | Son | — | 14 | ~1916 |
| Mable Hanson | Spouse | — | 37 | ~1893 |
| Robert Hanson | Son | — | 1 | ~1929 |
| Harry Hanson | Son | — | 17 | ~1913 |
| Harry Hanson | Head | — | 43 | ~1887 |
Census Appearances
1930
Boulder, Colorado
Son, age 17
Boulder, Colorado · implied b. ~1913 — 6 household members
| Surname | Hanson |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Boulder-County, Colorado
Other, age 27
Boulder-County, Colorado · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Harry |
| Relationship to Head | Hired Hand |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Precinct 37 |
| 1935 Residence (County) | Boulder |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Harry Hanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Hanson
Son · 1930 · age 17 · b. ~1913 · Colorado
★ You are viewing this record
Sibling
Ida Hanson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Hanson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hanson
Sibling · 1930 · age 1
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
1930 US Federal Census — Boulder, Colorado
Open full size
1930 US Federal Census — Boulder, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus231unit:0084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eldon L. Jenner | 23 | Head | Poultryman | Colorado |
| 2 | Bernabell W. Jenner | 18 | Wife | — | Kansas |
| 3 | Julia S. Baldwin | 51 | Mother-in-law | — | Iowa |
| 4 | Albert F. Brundige | 27 | Head | Miner | Colorado |
| 5 | Jessie E. Brundige | 23 | Wife | — | Colorado |
| 6 | Marybell Brundige | 4 | Daughter | — | Colorado |
| 7 | Georgia M. Brundige | 1 | Daughter | — | Colorado |
| 8 | Oliver M. Downs | 67 | Head | Laborer | Indiana |
| 9 | Georgia H. Downs | 63 | Wife | — | Ohio |
| 10 | Charles L. Downs | 54 | Head | Salesman | Indiana |
| 11 | Mamie L. Downs | 48 | Wife | — | Ohio |
| 12 | Gladys V. Downs | 21 | Daughter | — | Kansas |
| 13 | Charles F. Nesmith | 66 | Head | — | Illinois |
| 14 | Florence J. Nesmith | 65 | Wife | — | Michigan |
| 15 | Harry G. Hanson | 43 | Head | Operating Engineer | South Dakota |
| 16 | Mable E. Hanson | 37 | Wife | — | Colorado |
| 17 | Harry J. Hanson THIS PERSON | 17 | Son | — | Montana |
| 18 | Joe W. Hanson | 14 | Son | — | Colorado |
| 19 | Ida M. Hanson | 11 | Daughter | — | Colorado |
| 20 | Robert C. Hanson | 1 | Son | — | Colorado |
| 21 | Charles D. Mick | 54 | Head | Poultryman | West Virginia |
| 22 | Lillian Mick | 52 | Wife | — | West Virginia |
| 23 | Hulda A. Hansford | 76 | Mother-in-law | — | West Virginia |
| 24 | William B. Rutherford | 56 | Lodger | Shoe Repairer | Texas |
| 25 | Arthur A. Hansford | 52 | Head | — | West Virginia |
| 26 | Alice C. Hansford | 39 | Wife | — | Texas |
| 27 | William F. Le Fevere | 46 | Head | Proprietor | Iowa |
| 28 | Matie M. Le Fevere | 38 | Wife | — | Iowa |
| 29 | William F. Le Fevere | 12 | Son | — | Montana |
| 30 | Ernest P. Brinkley | 75 | Father-in-law | — | Indiana |
| 31 | Albert L. Hard | 25 | Head | Truck Driver | Colorado |
| 32 | Doris I. Hard | 19 | Wife | — | Colorado |
| 33 | Norma J. Hard | 0 | Daughter | — | Colorado |
| 34 | Walter F. Johnson | 46 | Head | Buttermaker | Kansas |
| 35 | Ruth E. Johnson | 33 | Wife | — | Kansas |
| 36 | Lorraine F. Johnson | 11 | Daughter | — | Nebraska |
| 37 | Albert N. Olsen | 54 | Head | Carpenter | Norway |
| 38 | Isabelle V. Olsen | 45 | Wife | — | Colorado |
| 39 | Carl A. Olsen | 22 | Son | Plumber | Colorado |
| 40 | Thelma J. Olsen | 18 | Daughter | Stenographer | Colorado |
| 41 | Harold P. Olsen | 15 | Son | Helper | Colorado |
| 42 | Harry H. Jordan | 38 | Head | Salesman | Nebraska |
| 43 | Myrtle L. Jordan | 49 | Wife | — | Iowa |
| 44 | Ursula P. Jordan | 13 | Daughter | — | Colorado |
| 45 | Ida M. Willis | 53 | Head | — | Colorado |
| 46 | Maud E. Converse | 60 | Sister | — | Colorado |
| 47 | Ralph Montgomery | 44 | Head | Salesman | Colorado |
| 48 | Mabel D. Montgomery | 44 | Wife | — | Colorado |
| 49 | Elizabeth Montgomery | 14 | Daughter | — | Colorado |
| 50 | Edgar J. Hively | 49 | Head | Carpenter | Missouri |
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)