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Harry Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Harry Martin across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Harry & Katherine — first a head (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Millwright |
| Industry | Millwright Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Millwright |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1911 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Joan Martin | Daughter | — | 6 | ~1934 |
| Dan Martin | Daughter | — | 6 | ~1934 |
| Patricia Martin | Daughter | — | 8 | ~1932 |
| Harry Martin | Head | — | 29 | ~1911 |
| Casimer Radwanski | Other | — | 26 | ~1914 |
| Helen Martin | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Wayne, Michigan
Son, age 9
Wayne, Michigan · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Wayne, Michigan
Son, age 19
Wayne, Michigan · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Wayne-County, Michigan
Head, age 29
Wayne-County, Michigan · implied b. ~1911 — 6 household members
| Surname | Martin |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Millwright |
| Industry | Millwright Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Harry Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Martin (~0.92 confidence) and mother Katherine Martin (~0.92 confidence) and mother Catherine Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Katherine Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Catherine Martin
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Martin
Head · 1940 · age 29 · b. ~1911 · 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01866-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Craig | 8 | Daughter | — | Michigan |
| 42 | George Craig | 4 | Son | — | Michigan |
| 43 | John Korzymowski | 55 | Head | — | Poland |
| 44 | Angela Korzymowski | 50 | Wife | Cleaning | Poland |
| 45 | Josephine Korzymowski | 25 | Daughter | Inspector | Michigan |
| 46 | Bernice Korzymowski | 22 | Daughter | Inspector | Michigan |
| 47 | Rose Korzymowski | 20 | Daughter | Clerk | Michigan |
| 48 | George Miller | 47 | Head | Driver | Michigan |
| 49 | Emma Miller | 45 | Wife | — | Michigan |
| 50 | Geraldine Miller | 22 | Daughter | House Work | Michigan |
| 51 | Virginia Miller | 16 | Daughter | House Work | Michigan |
| 52 | Marjorie Miller | 12 | Daughter | — | Michigan |
| 53 | George Miller | 7 | Son | — | Michigan |
| 54 | Marilyn Miller | 5 | Daughter | — | Michigan |
| 55 | James H. James | 47 | Head | Checker | England |
| 56 | Margaret James | 39 | Wife | — | England |
| 57 | Ethel James | 19 | Daughter | — | Michigan |
| 58 | Henry James | 16 | Son | — | Michigan |
| 59 | Betty James | 13 | Daughter | — | Michigan |
| 60 | Harry Martin THIS PERSON | 29 | Head | Millwright | New York |
| 61 | Helen Martin | 28 | Wife | — | New Jersey |
| 62 | Patricia Martin | 8 | Daughter | — | Michigan |
| 63 | Joan Martin | 6 | Daughter | — | Michigan |
| 64 | Dan Martin | 6 | Daughter | — | Michigan |
| 65 | Casimer Radwanski | 26 | Brother-in-law | Truck Driver | New Jersey |
| 66 | Stanley Korzymowski | 51 | Head | — | Poland |
| 67 | Felicia Korzymowski | 41 | Wife | — | Poland |
| 68 | Leonard Korzymowski | 20 | Son | New Worker | Michigan |
| 69 | Norbert Korzymowski | 15 | Son | — | Michigan |
| 70 | Joseph Wisniewski | 29 | Son-in-law | Assembler | Ohio |
| 71 | Monica Wisniewski | 23 | Daughter | — | Michigan |
| 72 | Monica Wisniewski | 3 | Grandchild | — | Michigan |
| 73 | Rosalie Wisniewski | 0 | Grandchild | — | Michigan |
| 74 | — | None | — | — | — |
| 75 | Joseph J. Glace | 28 | Head | Officer | Michigan |
| 76 | Irene Glace | 25 | Wife | — | Michigan |
| 77 | Barbara A. Glace | 5 | Daughter | — | Michigan |
| 78 | Margaret Glace | 3 | Daughter | — | Michigan |
| 79 | Theodore Schultz | 18 | Lodger | — | Michigan |
| 80 | Gaylen Early | 38 | Head | Millwright | Indiana |
Pedigree Summary
Harry
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)