WB
William Blair — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this William Blair across the 1910, 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: Michigan
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Blair |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Instructor |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Instructor |
| Township / Ward | Detroit 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mildred Blair | Daughter | — | 21 | ~1909 |
| Audrey Blair | Daughter | — | 13 | ~1917 |
| Hazel Blair | Daughter | — | 15 | ~1915 |
| James Blair | Head | — | 61 | ~1869 |
| Eulalia Blair | Other | — | 23 | ~1907 |
| Alice Blair | Other | — | 46 | ~1884 |
| William Blair | Son | — | 23 | ~1907 |
Census Appearances
1910
Wayne, Michigan
Son, age 3
Wayne, Michigan · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Wayne, Michigan
Son, age 13
Wayne, Michigan · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | William H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 23
Wayne, Michigan · implied b. ~1907 — 7 household members
| Surname | Blair |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Occupation | Instructor |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 33
Wayne-County, Michigan · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blairs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | City of Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | Coach Operator |
| Industry | Street Railway |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2517 |
| 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 William Blair across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Blair (~0.92 confidence) and father James Blair (~0.92 confidence) and mother Oreal Blair (~0.92 confidence) and mother Orrail Blairs (~0.92 confidence) and mother Sarah Blair (~0.92 confidence) and father William Blair (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Blair
b. ~1869
Source father
● Household
· direct · ~0.92
Father
James Blair
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Oreal Blair
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Orrail Blairs
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Sarah Blair
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
William Blair
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Blair
Son · 1930 · age 23 · b. ~1907 · Michigan
★ You are viewing this record
Sibling
Hazel Blair
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Blair
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Blair
Sibling · 1930 · age 21
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
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
34 people indexed on this census page (ia:1930:michigancensus00reel1052:0108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Kukosian | 34 | Head | — | Armenia |
| 52 | Robert Kukosian | 17 | Son | Laborer | Armenia |
| 53 | Mary Kukosian | 11 | Daughter | — | Michigan |
| 54 | Charles Kukosian | 1 | Son | — | Michigan |
| 55 | Arthur Allard | 27 | Head | Assembler | Canada French |
| 56 | Stella Allard | 29 | Wife-H | — | Canada French |
| 57 | Leo Jr Allard | 1 | Son | — | Michigan |
| 58 | Silas Lafleur | 28 | Brother-in-law | Repairman | Canada French |
| 59 | Patrick O'Connell | 48 | Head | Sergeant | Ireland |
| 60 | Delia O'Connell | 46 | Wife-H | — | Ireland |
| 61 | Catherine O'Connell | 18 | Daughter | — | Michigan |
| 62 | John O'Connell | 11 | Son | — | Michigan |
| 63 | Della O'Connell | 8 | Daughter | — | Michigan |
| 64 | James Lipton | 44 | Boarder | Machinist | Ireland |
| 65 | William B White | 30 | Head | Painter | Kentucky |
| 66 | Ozetta White | 21 | Wife-H | — | Kentucky |
| 67 | James P White | 25 | Boarder | Milk Man | Kentucky |
| 68 | James Blair | 61 | Head | Captain | Michigan |
| 69 | Alice Blair | 46 | Wife-H | — | Michigan |
| 70 | William H Blair THIS PERSON | 23 | Son | Instructor | Michigan |
| 71 | Eulalia Blair | 23 | Daughter-in-law | Dietician | Michigan |
| 72 | Mildred L Blair | 21 | Daughter | Beauty Operator | Michigan |
| 73 | Hazel L Blair | 15 | Daughter | — | Michigan |
| 74 | Audrey Blair | 13 | Daughter | — | Michigan |
| 75 | George Markee | 46 | Head | Freight Conductor | Ohio |
| 76 | Florence Markee | 46 | Wife-H | — | Michigan |
| 77 | Ralph Markee | 22 | Son | Type Setter | Ohio |
| 78 | Arvilla Markee | 17 | Daughter | — | Michigan |
| 79 | Kenneth Markee | 14 | Son | — | Michigan |
| 80 | Lorraine Markee | 7 | Daughter | — | Michigan |
| 81 | Margaret Miller | 27 | Roomer | Waitress | Michigan |
| 82 | Dorothy Miller | 5 | Roomer | — | Michigan |
| 83 | John Gulley | 22 | Head | Salesman | Michigan |
| 84 | Ruth Gulley | 21 | Wife-H | — | Michigan |
Pedigree Summary
William + 3 siblings
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 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)