JP
James Peterson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jackson, Colorado
Our Model Tree links this James Peterson across the 1920 and 1930 US Censuses in Jackson, Colorado (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 9-person household.
Age 39
b. ~1891
Male
Head
Born: Colorado
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jackson, Colorado |
| Surname | Peterson |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Rancher |
| Industry | Stock ranch |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Rancher |
| Township / Ward | Coalmont Precinct 3 |
| Est. Birth Year | ~1891 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mildred Peterson | Daughter | — | 4 | ~1926 |
| Julia Peterson | Daughter | — | 13 | ~1917 |
| Darline Peterson | Daughter | — | 1 | ~1929 |
| James Peterson | Head | — | 39 | ~1891 |
| Floyd Le Roux | Other | — | 27 | ~1903 |
| J Peterson | Son | — | 11 | ~1919 |
| Merlin Peterson | Son | — | 4 | ~1926 |
| Neil Peterson | Son | — | 1 | ~1929 |
| Clara Peterson | Spouse | — | 39 | ~1891 |
Census Appearances
1920
Jackson, Colorado
Head, age 28
Jackson, Colorado · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | Stock Ranch |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Jackson, Colorado
Head, age 39
Jackson, Colorado · implied b. ~1891 — 9 household members
| Surname | Peterson |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Scotland |
| Occupation | Rancher |
| Industry | Stock ranch |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 James Peterson across 2 US Census years (1920 and 1930) in Jackson, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
James Peterson
Head · 1930 · age 39 · b. ~1891 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jackson, Colorado
Open full size
1930 US Federal Census — Jackson, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus242unit:1103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred A. Mckenzie | 40 | Boarder | Laborer | Colorado |
| 52 | William M. James | 36 | Boarder | Laborer | Missouri |
| 53 | James R. Peterson THIS PERSON | 39 | Head | Rancher | Colorado |
| 54 | Clara E. Peterson | 39 | Wife | — | Kansas |
| 55 | Julia J. Peterson | 13 | Daughter | — | Colorado |
| 56 | J. Ronald Peterson | 11 | Son | — | Colorado |
| 57 | Merlin J. Peterson | 4 | Son | — | Colorado |
| 58 | Mildred A. Peterson | 4 | Daughter | — | Colorado |
| 59 | Neil A. Peterson | 1 | Son | — | Colorado |
| 60 | Darline L. Peterson | 1 | Daughter | — | Colorado |
| 61 | Floyd E. Le Roux | 27 | Boarder | Laborer | Colorado |
| 62 | Leslie F. Cook | 32 | Head | Rancher | Colorado |
| 63 | William F. Campbell | 78 | Grandfather | — | Ohio |
| 64 | William R. Watson | 27 | Boarder | Laborer | Northern Ireland |
| 65 | George H. Manville | 70 | Head | Operator | Indiana |
| 66 | Lorena Manville | 62 | Wife | — | West Virginia |
| 67 | Harry E. Manville | 34 | Son | Manager | Colorado |
| 68 | Daniel S. Ross | 19 | Boarder | Laborer | Colorado |
| 69 | J. Elmer Wallon | 63 | Head | Rancher | Kentucky |
| 70 | Maude Wallon | 58 | Wife | — | Missouri |
| 71 | John E. Wallon | 9 | Grandson | — | California |
| 72 | Edward F. Kiefer | 44 | Head | Rancher | Ohio |
| 73 | Mabel I. Kiefer | 38 | Wife | — | Iowa |
| 74 | William E. Kiefer | 2 | Son | — | Colorado |
| 75 | Jess Green | 58 | Boarder | Laborer | New York |
| 76 | Eugene R. Davidson | 57 | Head | Rancher | Tennessee |
| 77 | James W. Mackey | 40 | Head | Rancher | Missouri |
| 78 | Fern E. Mackey | 36 | Wife | — | Colorado |
| 79 | Hattie R. Mackey | 17 | Daughter | — | Colorado |
| 80 | Hazel L. Mackey | 15 | Daughter | — | Colorado |
| 81 | James L. Mackey | 6 | Son | — | Wyoming |
| 82 | Helen E. Mackey | 2 | Daughter | — | Colorado |
| 83 | Chris Jacobsen | 37 | Head | Rancher | Denmark |
| 84 | Jess Adams | 51 | Head | Rancher | Kentucky |
| 85 | Minnie Adams | 40 | Wife | — | Wyoming |
| 86 | Don E. Bliss | 24 | Head | Laborer | Nebraska |
| 87 | Wilma R. Bliss | 19 | Wife | — | Nebraska |
| 88 | Donald F. Bliss | 0 | Son | — | Wyoming |
| 89 | Tracie F. Mcpherson | 30 | Boarder | Laborer | Kentucky |
| 90 | Robert Irvine | 40 | Head | Rancher | Northern Ireland |
| 91 | Florence Irvine | 25 | Wife | — | Idaho |
| 92 | Lester E. Edwards | 32 | Head | Foreman | Missouri |
| 93 | Cecil P. Arnold | 31 | Head | Sheep Shearer | Colorado |
| 94 | Agnes Arnold | 21 | Wife | — | Colorado |
| 95 | Washington R. Green | 56 | Head | Laborer | Nebraska |
| 96 | Charles P. Murphy | 48 | Head | Rancher | Colorado |
| 97 | Marie L. Murphy | 38 | Wife | — | Ohio |
| 98 | Agnes Murphy | 83 | Mother | — | Canada |
| 99 | John Nelson | 50 | Boarder | Laborer | Sweden |
| 100 | William Williamson | 58 | Head | Carpenter | England |
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)