JG
John Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents Annie — first a head (b.~1891), then head of a 8-person household.
Age 39
b. ~1891
Male
Head
Born: Scotland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Gray |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 21 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Painter |
| Industry | Automobile Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Painter |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1891 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jean Gray | Daughter | — | 15 | ~1915 |
| Isabelle Gray | Daughter | — | 3 | ~1927 |
| June Gray | Daughter | — | 1 | ~1929 |
| Mary Gray | Daughter | — | 11 | ~1919 |
| John Gray | Head | — | 39 | ~1891 |
| John Gray | Son | — | 17 | ~1913 |
| Frank Gray | Son | — | 6 | ~1924 |
| Margaret Gray | Spouse | — | 39 | ~1891 |
Census Appearances
1920
Wayne, Michigan
Son, age 28
Wayne, Michigan · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1917 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Head, age 39
Wayne, Michigan · implied b. ~1891 — 8 household members
| Surname | Gray |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 21 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Painter |
| Industry | Automobile Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Other, age 50
Wayne-County, Michigan · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Tool & Die Maker |
| Industry | Tool & Die Shop |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 328 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Annie Gray (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Gray
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gray
Head · 1930 · age 39 · b. ~1891 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1051:0629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Otto Baggott | 55 | Head | Carpenter | England |
| 2 | Alice Baggott | 54 | Wife | — | England |
| 3 | Mildred Baggott | 23 | Daughter | — | England |
| 4 | Alice Baggott | 19 | Daughter | — | England |
| 5 | Stanley Perkins | 34 | Head | Repairman | Michigan |
| 6 | Viola Perkins | 33 | Wife | — | Michigan |
| 7 | Margaret Perkins | 13 | Daughter | — | Michigan |
| 8 | James Eagan | 37 | Head | Helper | Canada |
| 9 | Mae Eagan | 37 | Wife | — | Canada |
| 10 | Phyllis Eagan | 13 | Daughter | — | Canada |
| 11 | Walter Symonaitis | 36 | Head | Grinder | Lithuania |
| 12 | Annie Symonaitis | 36 | Wife | — | Lithuania |
| 13 | Augustine Symonaitis | 9 | Daughter | — | Michigan |
| 14 | Walter Symonaitis | 7 | Son | — | Michigan |
| 15 | David Lee | 40 | Head | Foreman | Michigan |
| 16 | Emma Lee | 39 | Wife | — | Canada |
| 17 | Dorothy Lee | 14 | Daughter | — | Michigan |
| 18 | David Lee | 12 | Son | — | Michigan |
| 19 | Charles Lee | 10 | Son | — | Michigan |
| 20 | Margaret Danley | 40 | Head | — | England |
| 21 | Lois Danley | 17 | Daughter | — | Michigan |
| 22 | Lage Danley | 15 | Daughter | — | Michigan |
| 23 | Betty Danley | 13 | Daughter | — | Michigan |
| 24 | Clarence J. Kalsow | 37 | Head | Machinist | Michigan |
| 25 | Hazel Kalsow | 37 | Wife | — | Michigan |
| 26 | Clarence Kalsow | 15 | Son | — | Michigan |
| 27 | Lloyd Kalsow | 13 | Son | — | Michigan |
| 28 | Cecil Neal | 32 | Head | Inspector | Alabama |
| 29 | Ethel Neal | 27 | Wife | — | Alabama |
| 30 | Clyde Neal | 10 | Son | — | Alabama |
| 31 | Ray Neal | 8 | Son | — | Alabama |
| 32 | Evelyn Neal | 5 | Daughter | — | Michigan |
| 33 | Margaret Christen | 40 | Head | — | Indiana |
| 34 | Margaret Christen | 18 | Daughter | — | Indiana |
| 35 | Robert Christen | 16 | Son | — | Indiana |
| 36 | William Christen | 14 | Son | — | Indiana |
| 37 | John Christen | 12 | Son | — | Indiana |
| 38 | John Gathen | 40 | Head | Mechanic | Denmark |
| 39 | Anna Gathen | 37 | Wife | — | Michigan |
| 40 | John Gathen | 13 | Son | — | Michigan |
| 41 | Katherine Gathen | 11 | Daughter | — | Michigan |
| 42 | James Gathen | 9 | Son | — | Michigan |
| 43 | John O. Gray THIS PERSON | 39 | Head | Painter | Scotland |
| 44 | Margaret Gray | 39 | Wife | — | England |
| 45 | John Gray | 17 | Son | — | Michigan |
| 46 | Jean Gray | 15 | Daughter | — | Michigan |
| 47 | Mary Gray | 11 | Daughter | — | Michigan |
| 48 | Frank Gray | 6 | Son | — | Michigan |
| 49 | Isabelle Gray | 3 | Daughter | — | Michigan |
| 50 | June Gray | 1 | Daughter | — | Michigan |
Pedigree Summary
John
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)