JM
James Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montrose-County, Colorado
Our Model Tree links this James Marsh across the 1930 and 1940 US Censuses in Montrose-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montrose-County, Colorado |
| Surname | Marsh |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Voting Precinct 14 |
| 1935 Residence (County) | Montrose |
| Additional Details | |
| Occupation | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Farming |
| Township / Ward | Voting Precinct 14 |
| Est. Birth Year | ~1909 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lucilda Marsh | Spouse | — | 25 | ~1915 |
| Fred Marsh | Other | — | 47 | ~1893 |
| Bonnie Marsh | Daughter | — | 3 | ~1937 |
| James Marsh | Head | — | 31 | ~1909 |
| Lois Marsh | Daughter | — | 6 | ~1934 |
| Darlene Marsh | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Delta, Colorado
Son, age 21
Delta, Colorado · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Montrose-County, Colorado
Head, age 31
Montrose-County, Colorado · implied b. ~1909 — 6 household members
| Surname | Marsh |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Voting Precinct 14 |
| 1935 Residence (County) | Montrose |
| Occupation | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Marsh
Head · 1940 · age 31 · b. ~1909 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montrose-County, Colorado
Open full size
1940 US Federal Census — Montrose-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred J Farmer | 21 | Head | Farm Laborer | Colorado |
| 42 | Thomas J Wolverton | 27 | Head | Farming | Tennessee |
| 43 | Charles S Wolverton | 25 | Brother | Farming | Kansas |
| 44 | Edward G Wolverton | 27 | Brother | Farming | Kansas |
| 45 | Lela L Wolverton | 23 | Sister-in-law | — | Kansas |
| 46 | Loyd S Tilley | 49 | Head | Farm Labour | Texas |
| 47 | Annie Tilley | 45 | Wife | — | Texas |
| 48 | Margaret Tilley | 18 | Daughter | — | Colorado |
| 49 | Lucille Tilley | 15 | Daughter | — | Colorado |
| 50 | Marie Tilley | 13 | Daughter | — | Colorado |
| 51 | Loyd Jr Tilley | 10 | Son | — | Colorado |
| 52 | Ruby Tilley | 8 | Daughter | — | Colorado |
| 53 | Oarn Tilley | 5 | Son | — | Colorado |
| 54 | James A Marsh THIS PERSON | 31 | Head | Farming | Texas |
| 55 | Lucilda Marsh | 25 | Wife | — | Utah |
| 56 | Lois Jean Marsh | 6 | Daughter | — | Colorado |
| 57 | Bonnie J Marsh | 3 | Daughter | — | Colorado |
| 58 | Darlene R Marsh | 1 | Daughter | — | Colorado |
| 59 | Fred A Marsh | 47 | Uncle | Farming | Arkansas |
| 60 | Lee O Marsh | 44 | Head | Farming | Texas |
| 61 | Vera Marsh | 46 | Wife | — | Texas |
| 62 | Mango Sezika | 74 | Head | Onion Grower | Japan |
| 63 | Charles E Jr Ray | 41 | Head | Farming | Colorado |
| 64 | Bertha M Ray | 41 | Wife | — | Oklahoma |
| 65 | Ellen J Ray | 16 | Daughter | — | Colorado |
| 66 | Thelma M Ray | 11 | Daughter | — | Colorado |
| 67 | Ralph L Ray | 8 | Son | — | Colorado |
| 68 | Ihra M Ray | 5 | Daughter | — | Colorado |
| 69 | Thomas Nisheyama | 61 | Head | Onion Grower | Japan |
| 70 | James W Fisher | 27 | Head | Farm Laborer | Missouri |
| 71 | Lucille Fisher | 26 | Wife | — | Colorado |
| 72 | James L Fisher | 4 | Son | — | Colorado |
| 73 | D Elvan | 31 | Head | Farming | Nebraska |
| 74 | Minnie Elvan | 32 | Wife | — | Nebraska |
| 75 | Earl Elvan | 9 | Son | — | Colorado |
| 76 | Raymond Elvan | 7 | Son | — | Colorado |
| 77 | Arnold Elvan | 6 | Son | — | Colorado |
| 78 | Mark J Harrison | 38 | Head | Farming | Nebraska |
| 79 | Blanche Harrison | 34 | Wife | — | Colorado |
| 80 | Ronald Harrison | 12 | Son | — | Colorado |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)