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James Mathews — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Colorado
Our Model Tree links this James Mathews across the 1930 and 1940 US Censuses in Jefferson, Colorado (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Colorado |
| Surname | Mathews |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Golden Town |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| John Mathews | Head | — | 37 | ~1893 |
| John Mathews | Son | — | 7 | ~1923 |
| James Mathews | Son | — | 12 | ~1918 |
| Bertha Mathews | Spouse | — | 36 | ~1894 |
| Earnest Mathews | Son | — | 11 | ~1919 |
| Katherine Mathews | Daughter | — | 16 | ~1914 |
| Dorothy Mathews | Daughter | — | 9 | ~1921 |
| William Mathews | Son | — | 3 | ~1927 |
| Ruby Mathews | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Jefferson, Colorado
Son, age 12
Jefferson, Colorado · implied b. ~1918 — 9 household members
| Surname | Mathews |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Jefferson-County, Colorado
Head, age 22
Jefferson-County, Colorado · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Matthews |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | XX09 |
| 1935 Residence (County) | Jefferson |
| Occupation | Brewer |
| Industry | Brewery |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1350 |
| Highest Grade | No 8 |
| 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 James Mathews across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mathews
Son · 1930 · age 12 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Earnest Mathews
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mathews
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mathews
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mathews
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Mathews
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mathews
Sibling · 1930 · age 9
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 — Jefferson, Colorado
Open full size
1930 US Federal Census — Jefferson, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus243unit:0760)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John F. Bohr | 39 | Head | Druggist | Kentucky |
| 52 | Grace Bohr | 40 | Wife | None | Nebraska |
| 53 | John Bohr | 12 | Son | None | Colorado |
| 54 | Mary Bohr | 9 | Daughter | None | Colorado |
| 55 | Harold Carr | 28 | Head | Agent | Iowa |
| 56 | Bertha Carr | 27 | Wife | None | Colorado |
| 57 | Junior Carr | 5 | Son | None | Colorado |
| 58 | Glen Dale Carr | 2 | Son | None | Colorado |
| 59 | Joel Palmer | 26 | Head | Labourer | Colorado |
| 60 | Florence Palmer | 25 | Wife | Labourer | Colorado |
| 61 | James Noble | 38 | Head | Laborer | Wyoming |
| 62 | Jessie Noble | 27 | Wife | None | Wyoming |
| 63 | Richard Noble | 2 | Son | None | Colorado |
| 64 | William Bennett | 32 | Head | Labourer | Colorado |
| 65 | Martha Bennett | 29 | Wife | None | Colorado |
| 66 | Frances Bennett | 10 | daughter | None | Colorado |
| 67 | Hershal Bennett | 9 | son | None | Colorado |
| 68 | William Bennett | 3 | son | None | Colorado |
| 69 | Charley De Moss | 58 | Head | Painter | Missouri |
| 70 | John Mathews | 37 | Head | Labourer | Colorado |
| 71 | Bertha Mathews | 36 | Wife | None | Colorado |
| 72 | Katherine Mathews | 16 | daughter | Laborer | Colorado |
| 73 | James Mathews THIS PERSON | 12 | son | None | Colorado |
| 74 | Earnest Mathews | 11 | son | None | Colorado |
| 75 | Dorothy Mathews | 9 | daughter | None | Colorado |
| 76 | John Mathews | 7 | son | None | Colorado |
| 77 | Ruby Mathews | 5 | daughter | None | Colorado |
| 78 | William Mathews | 3 | son | None | Colorado |
| 79 | William Benson | 81 | Head | None | Germany |
| 80 | Albert E. Stewart | 41 | Head | Groceryman | Iowa |
| 81 | Emma Stewart | 50 | Wife | None | West Virginia |
| 82 | William Cameron | 27 | Head | Labourer | Ohio |
| 83 | Mildred Cameron | 23 | Wife | None | Iowa |
| 84 | Earnest Cameron | 1 | son | None | Colorado |
| 85 | Winfield Nimbley | 63 | Head | Contractor | Indiana |
| 86 | Josephine Nimbley | 43 | Wife | None | Massachusetts |
| 87 | Keith Nimbley | 13 | son | None | Colorado |
| 88 | Earnest Nimbley | 8 | son | None | Colorado |
| 89 | Charles G. Joinley | 61 | Head | None | Colorado |
| 90 | Frank White | 46 | Head | Miner | England |
| 91 | Beatrice White | 43 | Wife | None | Colorado |
| 92 | Sherman Joinley | 64 | Head | Laborer | Colorado |
| 93 | Mary Jane Joinley | 57 | Wife | None | Colorado |
| 94 | Mollie Johnson | 30 | daughter | Labourer | Colorado |
| 95 | Lenora Johnson | 5 | granddaughter | None | Colorado |
| 96 | Raymond Johnson | 3 | grandson | None | Colorado |
| 97 | Nick Prouse | 47 | Head | Laborer | Colorado |
| 98 | Mary A. Prouse | 45 | Wife | Maid | Kansas |
| 99 | William Roberts | 31 | Head | Foreman | Colorado |
| 100 | Lulu Roberts | 28 | Wife | None | Colorado |
Related Census Records
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)