HG
Harry Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blue-Earth-County, Minnesota
Our Model Tree links this Harry Gray across the 1920, 1930 and 1940 US Censuses in Blue-Earth-County, Minnesota (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blue-Earth-County, Minnesota |
| Surname | Gray |
| Given Name | Harry A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Mankato |
| 1935 Residence (County) | Blue Earth |
| Additional Details | |
| Occupation | Machinist |
| Industry | Auto supplies |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1320 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Machinist |
| Township / Ward | Mankato |
| Est. Birth Year | ~1908 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Gray | Son | — | 32 | ~1908 |
| Marvin Gray | Son | — | 31 | ~1909 |
| George Gray | Head | — | 67 | ~1873 |
| Clara Gray | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Blue Earth, …
Son, age 12
Blue Earth, Minnesota · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Blue Earth, …
Son, age 22
Blue Earth, Minnesota · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Canada - English |
| Occupation | Mechanic |
| Industry | Wholesale Auto Supply |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Blue-Earth-County, Minnesota
Son, age 32
Blue-Earth-County, Minnesota · implied b. ~1908 — 4 household members
| Surname | Gray |
| Given Name | Harry A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Mankato |
| 1935 Residence (County) | Blue Earth |
| Occupation | Machinist |
| Industry | Auto supplies |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1320 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Gray (~0.92 confidence) and father George Gray (~0.92 confidence) and father George Gray (~0.92 confidence) and mother Clara Gray (~0.92 confidence) and mother Clara Gray (~0.92 confidence) and mother Jane Gray (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Gray
b. ~1870
Source father
● Household
· direct · ~0.92
Father
George Gray
b. ~1873
Source father
● Household
· direct · ~0.92
Father
George Gray
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Clara Gray
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Clara Gray
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Jane Gray
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Gray
Son · 1940 · age 32 · b. ~1908 · Minnesota
★ You are viewing this record
Sibling
Marvin Gray
Sibling · 1940 · age 31
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 — Blue-Earth-County, Minnesota
Open full size
1940 US Federal Census — Blue-Earth-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01908-00773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry J. Younger | 39 | Head | Laborer | Minnesota |
| 2 | Minnie A. Younger | 37 | Wife | Housework | Minnesota |
| 3 | Henry J. Younger | 15 | Son | — | Minnesota |
| 4 | Jerry L. Younger | 5 | Son | — | Minnesota |
| 5 | George H. Gray | 67 | Head | — | Minnesota |
| 6 | Clara Gray | 65 | Wife | — | Canada |
| 7 | Harry A. Gray THIS PERSON | 32 | Son | Machinist | Minnesota |
| 8 | Marvin D. Gray | 31 | Son | Maker | Minnesota |
| 9 | Minnie D. Meyer | 70 | Head | — | Illinois |
| 10 | Lloyd R. Banta | 32 | Head | Laborer | Minnesota |
| 11 | Ruth E. Banta | 27 | Wife | — | Minnesota |
| 12 | Darlene R. Banta | 5 | Daughter | — | Minnesota |
| 13 | Lloyd R. Banta | 1 | Son | — | Minnesota |
| 14 | Clarence W. Reich | 45 | Head | Trucking | Minnesota |
| 15 | Ellen M. Reich | 45 | Wife | — | Minnesota |
| 16 | Dale C. Reich | 3 | Son | — | Minnesota |
| 17 | Robert H. Reich | 0 | Son | — | Minnesota |
| 18 | Margaret L. Hoeft | 31 | Head | Pastry Cook | Minnesota |
| 19 | Jerry B. Hoeft | 11 | Son | — | Wisconsin |
| 20 | Lee G. Hoeft | 5 | Son | — | Minnesota |
| 21 | Walter A. Suppman | 36 | Head | Mechanic | Minnesota |
| 22 | Agnes A. Suppman | 37 | Wife | — | Minnesota |
| 23 | Evelyn M. Suppman | 12 | Daughter | — | Minnesota |
| 24 | Herman H. Suppman | 71 | Father | — | Minnesota |
| 25 | Christine A. Suppman | 71 | Mother | — | Germany |
| 26 | Walter E. Radke | 30 | Head | Salesman | Wisconsin |
| 27 | Agnes A. Radke | 27 | Wife | — | Minnesota |
| 28 | Donald W. Radke | 7 | Son | — | Minnesota |
| 29 | Marilyn J. Radke | 4 | Daughter | — | Minnesota |
| 30 | Cleora M. Radke | 2 | Daughter | — | Minnesota |
| 31 | Otto K. Lueck | 62 | Head | Clerk | Illinois |
| 32 | Addie Lueck | 60 | Wife | — | Minnesota |
| 33 | Clarence A. Lueck | 37 | Son | Trucker | Minnesota |
| 34 | Evelyn M. Lueck | 27 | Daughter-in-law | — | Minnesota |
| 35 | Gordon L. Kaercher | 27 | Head | Manager | North Dakota |
| 36 | Hazel M. Kaercher | 27 | Wife | — | Minnesota |
| 37 | Kathryn A. Kaercher | 2 | Daughter | — | Minnesota |
| 38 | Frank B. Karl | 59 | Head | Carpenter | New York |
| 39 | Katherine A. Karl | 53 | Wife | — | Minnesota |
| 40 | L. Sylvester | 23 | Son | — | Minnesota |
Pedigree Summary
Harry + 1 sibling
Gen 1 · 6 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)