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Helen Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bay-County, Michigan
Our Model Tree links this Helen Martin across the 1920, 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bay-County, Michigan |
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bay City |
| Est. Birth Year | ~1889 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| George Martin | Head | — | 60 | ~1880 |
| Cameron Martin | Son | — | 18 | ~1922 |
| Robert Martin | Son | — | 20 | ~1920 |
| Helen Martin | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Bay, Michigan
Spouse, age 31
Bay, Michigan · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Bay, Michigan
Spouse, age 41
Bay, Michigan · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 25 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Bay-County, Michigan
Spouse, age 51
Bay-County, Michigan · implied b. ~1889 — 4 household members
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Helen Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Martin
Spouse · 1940 · age 51 · b. ~1889 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bay-County, Michigan
Open full size
1940 US Federal Census — Bay-County, Michigan
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01727-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Magidson | 55 | Head | Bottle Buyer | Russia |
| 2 | Rachel Magidson | 48 | Wife | — | New York |
| 3 | Alice S. Magidson | 22 | Daughter | Substitute | Michigan |
| 4 | Joshua Magidson | 18 | Son | Salesman | Michigan |
| 5 | Al Hillebrand | 69 | Head | Barkeeper | Germany |
| 6 | Augusta Hillebrand | 70 | Sister | — | Germany |
| 8 | Cecelia O. Skinner | 58 | Head | — | Michigan |
| 9 | Agnes Van Hemel | 71 | Sister | — | Michigan |
| 11 | Mendel Konnen | 71 | Head | — | Michigan |
| 12 | Margaret Konnen | 38 | Daughter | Teacher | Michigan |
| 13 | Janet E. Konnen | 33 | Daughter | Lawyer | Michigan |
| 14 | Margery S. Lewis | 56 | Head | — | Michigan |
| 15 | Alice Ann Harns | 54 | Roomer | Teacher | Michigan |
| 16 | Bertha Grant | 62 | Roomer | Teller | Michigan |
| 17 | Beulah Nelson | 22 | Roomer | Teacher | Michigan |
| 18 | Edgar Heiden | 47 | Head | Advertising | Michigan |
| 19 | Gertrude Heiden | 47 | Wife | — | Michigan |
| 20 | Ardith Heiden | 12 | Daughter | — | Michigan |
| 21 | Norman Heiden | 10 | Son | — | Michigan |
| 22 | Donald Heiden | 10 | Son | — | Michigan |
| 23 | Doreen Heiden | 8 | Daughter | — | Michigan |
| 24 | Allan C. See | 65 | Head | — | Michigan |
| 25 | Mary B. See | 61 | Wife | — | Michigan |
| 26 | Gerald D. See | 37 | Son | Salesman | Michigan |
| 28 | George Martin | 60 | Head | Teacher | Michigan |
| 29 | Helen Martin THIS PERSON | 51 | Wife | — | Michigan |
| 30 | Robert Martin | 20 | Son | — | Michigan |
| 31 | Cameron Martin | 18 | Son | — | Michigan |
| 32 | Venus Van Haaren | 46 | Head | Furniture Maker | Michigan |
| 33 | Hazel Van Haaren | 45 | Wife | — | Michigan |
| 34 | Joanna Van Haaren | 21 | Daughter | Secretary | Michigan |
| 35 | Donald Van Haaren | 16 | Son | — | Michigan |
| 36 | Grant Van Haaren | 24 | Son | Furniture Maker | Michigan |
| 37 | Jane Van Haaren | 23 | Daughter-in-law | Salesgirl | Michigan |
| 38 | Ray K. Murphy | 47 | Head | Insurance Agent | Michigan |
| 39 | Etta Murphy | 46 | Wife | — | Michigan |
| 40 | Ethel B. Murphy | 18 | Daughter | Sales Clerk | 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)