WB
William Blair — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Blair across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 4-person household.
Age 52
b. ~1868
Male
Head
Born: New Jersey
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Blair |
| Given Name | William N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Painter |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Painter |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1868 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Blair | Head | — | 52 | ~1868 |
| Idaachi Warfield | Other | — | 42 | ~1878 |
| Norris Blair | Son | — | 21 | ~1899 |
| Marion Blair | Spouse | — | 62 | ~1858 |
Census Appearances
1900
Philadelphia, Pennsylvania
Head, age 33
Philadelphia, Pennsylvania · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Wm. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Month | May |
| Birth Year | 1867 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Printer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Philadelphia, Pennsylvania
Head, age 42
Philadelphia, Pennsylvania · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Pressman |
| Industry | Printing House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Philadelphia, Pennsylvania
Head, age 52
Philadelphia, Pennsylvania · implied b. ~1868 — 4 household members
| Surname | Blair |
| Given Name | William N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Painter |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
William Blair
Head · 1920 · age 52 · b. ~1868 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1634unit:1120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William H. Glover | 31 | Head | Machinist | South Carolina |
| 52 | Elizabeth Glover | 30 | Nife | None | Pennsylvania |
| 53 | William Glover | 6 | Son | None | New Jersey |
| 54 | Selina Wapetal | 48 | Mother-in-law | Dressmaker | Pennsylvania |
| 55 | Victor Simms | 34 | Head | Proprietor | Russia (Minsk) |
| 56 | Anna Simms | 28 | Wife | Saleslady | Russia (Warsaw) |
| 57 | C. Joseph Haines | 50 | Head | Machinist | New Jersey |
| 58 | Mary Haines | 52 | Wife | None | Pennsylvania |
| 59 | Edward O'Neill | 80 | Brother-in-law | Laborer | Ireland |
| 60 | Robert J. Nugent | 48 | Lodger | Collector | Pennsylvania |
| 61 | Robert Calhoun | 76 | Head | None | Ireland |
| 62 | Robert Jr. Calhoun | 60 | Son | Weaver | Connecticut |
| 63 | Elizabeth Calhoun | 54 | daughter | None | Connecticut |
| 64 | Teresa Calhoun | 44 | daughter | Embroideress | Connecticut |
| 65 | William N. Blair THIS PERSON | 52 | Head | Painter | New Jersey |
| 66 | Marion V. Blair | 62 | Wife | None | Maryland |
| 67 | Norris H. Blair | 21 | Son | Printer | Pennsylvania |
| 68 | Idaachi E. Warfield | 42 | Niece | Seamstress | Pennsylvania |
| 69 | Anna Feicht | 42 | Head | Proprietress | Germany (Baden) |
| 70 | Henry Feicht | 56 | Boarder | Proprietress | Pennsylvania |
| 71 | Patrick Mcmahon | 49 | Head | Laborer | Ireland |
| 72 | Teresa Mcmahon | 43 | Wife | None | Ireland |
| 73 | Helen Mcmahon | 17 | daughter | Clerk | Pennsylvania |
| 74 | John Ruch | 37 | Head | Supervisor | Pennsylvania |
| 75 | Mary Ruch | 35 | Wife | None | Pennsylvania |
| 76 | Catherine Shaughnessy | 18 | Step-daughter | Clerk | Pennsylvania |
| 77 | Francis Shaughnessy | 17 | Step-son | Apprentice | Pennsylvania |
| 78 | Dorothy Shaughnessy | 15 | Step-daughter | None | Pennsylvania |
| 79 | Gerald Shaughnessy | 11 | Step-son | None | Pennsylvania |
| 80 | George Callahan | 42 | Head | Laborer | Pennsylvania |
| 81 | Annie Callahan | 36 | Wife | Cleaner | England |
| 82 | Elizabeth Callahan | 10 | daughter | None | Pennsylvania |
| 83 | Ida T. Harold | 37 | Head | Matron | Pennsylvania |
| 84 | Karl W. Harold | 34 | Husband | Operator | Pennsylvania |
| 85 | Edna Henson | 30 | Servant | Cook | Delaware |
| 86 | George S. Tatchus | 31 | Head | Painter | United States |
| 87 | Martha Tatchus | 31 | Wife | None | Lithuania (Russian) |
| 88 | George Jr. Tatchus | 7 | Son | None | Pennsylvania |
| 89 | Edward Tatchus | 6 | Son | None | Pennsylvania |
| 90 | Helen Tatchus | 3 | daughter | None | Pennsylvania |
| 91 | Andrew Jr. Gillen | 50 | Head | Painter | Pennsylvania |
| 92 | Alice Gillen | 39 | Wife | None | Pennsylvania |
| 93 | Florence Gillen | 18 | daughter | None | Pennsylvania |
| 94 | Michael Tateus | 70 | Head | None | Russia (Lithuania) |
| 95 | Mary Tateus | 70 | Wife | None | Russia (Lithuania) |
| 96 | Peter Schillow | 55 | Head | Mixer | Pennsylvania |
| 97 | Catherine Schillow | 45 | Wife | None | Ireland |
| 98 | Mary Murray | 25 | daughter | None | Pennsylvania |
| 99 | Michael Murray | 1 | Grand-son | None | Pennsylvania |
| 100 | Elizabeth Hollis | 42 | Head | Cleaner | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)