JM
John Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Branch-County, Michigan
Our Model Tree links this John Marsh across the 1930 and 1940 US Censuses in Branch-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Branch-County, Michigan |
| Surname | Marsh |
| Given Name | John Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Algansee twp. |
| 1935 Residence (County) | Branch |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Algansee Twp |
| Est. Birth Year | ~1927 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Harold Keefer | Other | — | 22 | ~1918 |
| Kathleen Marsh | Daughter | — | 11 | ~1929 |
| Dale Marsh | Son | — | 5 | ~1935 |
| Harold Marsh | Son | — | 16 | ~1924 |
| Lillian Marsh | Daughter | — | 14 | ~1926 |
| Jessie Marsh | Spouse | — | 37 | ~1903 |
| Harold Marsh | Head | — | 40 | ~1900 |
| John Marsh | Son | — | 13 | ~1927 |
| Richard Marsh | Son | — | 3 | ~1937 |
Census Appearances
1930
Branch, Michigan
Son, age 2
Branch, Michigan · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | John Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Branch-County, Michigan
Son, age 13
Branch-County, Michigan · implied b. ~1927 — 9 household members
| Surname | Marsh |
| Given Name | John Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Algansee twp. |
| 1935 Residence (County) | Branch |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 13 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
Lillian Marsh
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Marsh
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Marsh
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Marsh
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Marsh
Sibling · 1940 · age 16
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 — Branch-County, Michigan
Open full size
1940 US Federal Census — Branch-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01734-00018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. Baker | 80 | Head | Retired | Michigan |
| 42 | Imogene Baker | 67 | Wife | — | Indiana |
| 43 | Harold Marsh | 40 | Head | Farmer | Michigan |
| 44 | Jessie M. Marsh | 37 | Wife | — | Michigan |
| 45 | Harold Jr. Marsh | 16 | Son | — | Michigan |
| 46 | Lillian May Marsh | 14 | Daughter | — | Michigan |
| 47 | John Leroy Marsh THIS PERSON | 13 | Son | — | Michigan |
| 48 | Kathleen F. Marsh | 11 | Daughter | — | Michigan |
| 49 | Dale L. Marsh | 5 | Son | — | Michigan |
| 50 | Richard W. Marsh | 3 | Son | — | Michigan |
| 51 | Harold Keefer | 22 | Hired hand | Farm Laborer | Michigan |
| 52 | O. Kenneth Marsh | 30 | Head | Grinder | Michigan |
| 53 | Alice A. Marsh | 26 | Wife | Seamstress | Ohio |
| 54 | Glen A. Marsh | 9 | Son | — | Michigan |
| 55 | Max D. Marsh | 8 | Son | — | Ohio |
| 56 | Norman E. Marsh | 6 | Son | — | Michigan |
| 57 | Herbert P. Canning | 48 | Head | Farmer | Michigan |
| 58 | Lola S. Canning | 47 | Wife | — | Michigan |
| 59 | Thomas S. Canning | 15 | Son | — | Michigan |
| 60 | Robert P. Canning | 13 | Son | — | Michigan |
| 61 | Lynn H. Canning | 11 | Son | — | Michigan |
| 62 | Margaret S. Canning | 5 | Daughter | — | Michigan |
| 63 | Clair S. Beckwith | 25 | Head | Farmer | Michigan |
| 64 | Leona Beckwith | 28 | Wife | — | Michigan |
| 65 | Marion S. Beckwith | 2 | Son | — | Michigan |
| 66 | Donald W. Beckwith | 0 | Son | — | Michigan |
| 67 | Melvin J. Beckwith | 70 | Head | Farmer | Michigan |
| 68 | May E. Beckwith | 64 | Wife | — | Michigan |
| 69 | Frank H. George | 58 | Head | Farmer | Indiana |
| 70 | Gertie G. George | 39 | Wife | — | Indiana |
| 71 | Robert E. George | 17 | Son | Farm Laborer | Indiana |
| 72 | Ernest F. George | 16 | Son | — | Indiana |
| 73 | Leo H. George | 7 | Son | — | Michigan |
| 74 | Marilyn R. George | 4 | Daughter | — | Michigan |
| 75 | Clarence H. Goodwin | 64 | Head | Farmer | Michigan |
| 76 | Ida V. Goodwin | 56 | Wife | — | Michigan |
| 77 | Ellen S. Avery | 30 | Daughter | — | Michigan |
| 78 | Wesley W. Avery | 8 | Grandson | — | Michigan |
| 79 | Anna B. Avery | 7 | Granddaughter | — | Michigan |
| 80 | D. Dean Avery | 5 | Grandson | — | Michigan |
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)