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John Bradford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ionia-County, Michigan
Our Model Tree links this John Bradford across the 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ionia-County, Michigan |
| Surname | Bradford |
| Given Name | John D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Belding City |
| 1935 Residence (County) | Ionia |
| Additional Details | |
| Occupation | trim assembly worker |
| Industry | refrigerator factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 650 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Trim Assembly Worker |
| Township / Ward | Belding City |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Linda Bradford | Daughter | — | 3 | ~1937 |
| Marvin Bradford | Son | — | 12 | ~1928 |
| Doris Bradford | Daughter | — | 12 | ~1928 |
| Emma Bradford | Spouse | — | 35 | ~1905 |
| John Bradford | Head | — | 33 | ~1907 |
| Donna Bradford | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Ionia, Michigan
Head, age 23
Ionia, Michigan · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradford |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 19 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | Weaver |
| Industry | Silk mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Radio Set | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Head, age 33
Ionia-County, Michigan · implied b. ~1907 — 6 household members
| Surname | Bradford |
| Given Name | John D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Belding City |
| 1935 Residence (County) | Ionia |
| Occupation | trim assembly worker |
| Industry | refrigerator factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 650 |
| Highest Grade | H-3 |
| 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 Bradford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Bradford
Head · 1940 · age 33 · b. ~1907 · Michigan
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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 — Ionia-County, Michigan
Open full size
1940 US Federal Census — Ionia-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01764-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jennie B. Warner | 62 | wife | — | Michigan |
| 42 | Asher E. Rouch | 31 | son-in-law | Basket Builder | Michigan |
| 43 | Ida G. Rouch | 34 | daughter | — | Michigan |
| 44 | John D. Bradford THIS PERSON | 33 | head | Trim Assembly Worker | Michigan |
| 45 | Emma Bradford | 35 | wife | Clipping | Michigan |
| 46 | Marvin J. Bradford | 12 | son | — | Michigan |
| 47 | Doris J. Bradford | 12 | daughter | — | Michigan |
| 48 | Donna L. Bradford | 11 | daughter | — | Michigan |
| 49 | Linda A. Bradford | 3 | daughter | — | Michigan |
| 50 | Sherston D. Nelson | 27 | head | Construction Building Worker | North Carolina |
| 51 | Ruby S. Nelson | 19 | wife | — | North Carolina |
| 52 | Verlin M. Nelson | 1 | daughter | — | Michigan |
| 53 | Doris A. Nelson | 0 | daughter | — | North Carolina |
| 54 | Lillie A. Smith | 69 | head | — | Michigan |
| 55 | Earl T. Smith | 31 | son | Overseer | Michigan |
| 56 | Charles X. Knepp | 67 | head | Carpenter | Michigan |
| 57 | Caryeth Knepp | 54 | wife | — | Michigan |
| 58 | Mary Knepp | 19 | daughter | Machine Operator | Michigan |
| 59 | Norman Knepp | 26 | son | Metal Worker | Michigan |
| 60 | Elaine Knepp | 20 | daughter | — | Michigan |
| 61 | Frank A. Talbot | 52 | head | Packing Inspector | Michigan |
| 62 | Olive B. Talbot | 42 | wife | — | Michigan |
| 63 | William H. Deity | 41 | head | Barber | Michigan |
| 64 | Alice M. Deity | 36 | wife | — | Michigan |
| 65 | Gerald R. Deity | 15 | son | Newsboy | Michigan |
| 66 | Gordon J. Deity | 13 | son | — | Michigan |
| 67 | Martin J. Deity | 81 | father | — | Michigan |
| 68 | Russell E. Fase | 30 | head | Core Room Worker | Michigan |
| 69 | Lavina J. Fase | 30 | wife | — | Michigan |
| 70 | Raymond B. Fase | 7 | son | — | Michigan |
| 71 | Irene A. Fase | 5 | daughter | — | Michigan |
| 72 | Lewis A. Fase | 1 | son | — | Michigan |
| 73 | Richard L. Raymond | 21 | lodger | Foundry Worker | Michigan |
| 74 | Merle G. Climer | 21 | lodger | Metal Worker | Michigan |
| 75 | Ira H. King | 61 | head | At Large Odd Jobs | Michigan |
| 76 | Susie I. King | 59 | wife | — | Michigan |
| 77 | William H. Lavery | 34 | son-in-law | — | New York |
| 78 | Jay C. Loring | 73 | head | — | Michigan |
| 79 | Sarah Loring | 73 | wife | — | Michigan |
| 80 | John J. Spencer | 81 | brother-in-law | — | 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)