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John Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this John Marsh across the 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Marsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Emporia |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Occupation | Waiter |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 3 |
| 1935 Residence | Kansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Waiter |
| Township / Ward | Emporia |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Earl Marsh | Head | — | 44 | ~1896 |
| John Marsh | Son | — | 20 | ~1920 |
| Dema Marsh | Daughter | — | 13 | ~1927 |
| Henry Marsh | Other | — | 73 | ~1867 |
| Emma Marsh | Daughter | — | 15 | ~1925 |
| Delphia Marsh | Daughter | — | 19 | ~1921 |
| Minnie Marsh | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Lyon, Kansas
Son, age 10
Lyon, Kansas · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Oklahoma |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Lyon-County, Kansas
Son, age 20
Lyon-County, Kansas · implied b. ~1920 — 7 household members
| Surname | Marsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Emporia |
| 1935 Residence (County) | Lyon |
| Occupation | Waiter |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 3 |
| 1935 Residence | Kansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 John Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Marsh
Son · 1940 · age 20 · b. ~1920 · Kansas
★ You are viewing this record
Sibling
Emma Marsh
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delphia Marsh
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dema Marsh
Sibling · 1940 · age 13
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
1940 US Federal Census — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01242-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Marsh | 44 | Head | Salesman | Kansas |
| 2 | Minnie Marsh | 44 | Wife | — | Kansas |
| 3 | John Marsh THIS PERSON | 20 | Son | Waiter | Oklahoma |
| 4 | Delphia Marsh | 19 | Daughter | Waitress | Texas |
| 5 | Emma Marsh | 15 | Daughter | — | Oklahoma |
| 6 | Dema Marsh | 13 | Daughter | — | Kansas |
| 7 | Henry Marsh | 73 | Father | — | Ohio |
| 8 | W. Gessie Burch | 35 | Head | Barber | Kansas |
| 9 | Jessie May Burch | 30 | Wife | — | Kansas |
| 10 | Mary Edith Burch | 8 | Daughter | — | Kansas |
| 11 | Fred M. Babcock | 57 | Head | Veterinarian Doctor | New York |
| 12 | Laura Tabor | 50 | House-keeper | House-Keeper | Nebraska |
| 13 | Irene Tabor | 20 | Lodger | Teacher Rural Grade | Kansas |
| 14 | Ernest Tomlinson | 71 | Head | Night-Watchman | England |
| 15 | John Conlin | 60 | Head | — | Kansas |
| 16 | James Weakley | 69 | Head | — | Kansas |
| 17 | Maude Weakley | 48 | Wife | — | Iowa |
| 18 | Vernon Weakley | 17 | Son | — | Kansas |
| 19 | Jerome Weakley | 15 | Son | — | Kansas |
| 20 | Laura Sea Weakley | 12 | Daughter | — | Kansas |
| 21 | James A. Neill | 11 | Head | — | Pennsylvania |
| 22 | Mary Alice Thayer | 74 | Head | — | Illinois |
| 23 | Dale Wright | 15 | Son | — | Kansas |
| 24 | Louis Romer | 34 | Head | Electrical Unit Engineer | Kansas |
| 25 | Beatrice Romer | 32 | Wife | — | Kansas |
| 26 | Clyde Romer | 9 | Son | — | Kansas |
| 27 | Gladys Romer | 8 | Daughter | — | Kansas |
| 28 | Albert P. Johnson | 55 | Father-in-law | Farm Worker | Kansas |
| 29 | Roy Duby | 36 | Head | Solicitor Of Laundry Route | Kansas |
| 30 | Viola Duby | 35 | Wife | — | Missouri |
| 31 | Darnell Duby | 10 | Son | — | Kansas |
| 32 | Ronda Gayle Duby | 1 | Daughter | — | Kansas |
| 33 | John A. Hawk | 60 | Head | Fence Post Salesman | Ohio |
| 34 | Frank E. Prock | 47 | Head | Tractor Mechanic | Missouri |
| 35 | Faye Prock | 32 | Wife | — | Kansas |
| 36 | Wanda Prock | 12 | Daughter | — | Missouri |
| 37 | Lottie May Prock | 11 | Daughter | — | Kansas |
| 38 | Colleen Prock | 9 | Daughter | — | Kansas |
| 39 | William F. Prock | 6 | Son | — | Kansas |
| 40 | Evelyn Prock | 4 | Daughter | — | Kansas |
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)