JB
John Baird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this John Baird across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 11-person household.
Age 30
b. ~1910
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Baird |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Portage borough |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Hotel Manager |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Hotel Manager |
| Township / Ward | Portage Borough |
| Est. Birth Year | ~1910 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Turner | Other | — | 4 | ~1936 |
| John Baird | Son | — | 30 | ~1910 |
| Matilda Baird | Spouse | — | 51 | ~1889 |
| William Turner | Other | — | 25 | ~1915 |
| Elwood Baird | Son | — | 19 | ~1921 |
| Charles Baird | Son | — | 31 | ~1909 |
| Caroline Baird | Daughter | — | 22 | ~1918 |
| Charles Baird | Head | — | 59 | ~1881 |
| Leatha Turner | Daughter | — | 24 | ~1916 |
| Gilbert Baird | Son | — | 26 | ~1914 |
| William Baird | Son | — | 16 | ~1924 |
Census Appearances
1930
Cambria, Pennsylvania
Son, age 19
Cambria, Pennsylvania · implied b. ~1911 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Son, age 30
Cambria-County, Pennsylvania · implied b. ~1910 — 11 household members
| Surname | Baird |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Portage borough |
| 1935 Residence (County) | Cambria |
| Occupation | Hotel Manager |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Baird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Baird
Son · 1940 · age 30 · b. ~1910 · Pennsylvania
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Sibling
Elwood Baird
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leatha Turner
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Baird
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Baird
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Baird
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Baird
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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03456-00544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Froggatt | 62 | Head | Miner | England |
| 42 | Nellie Froggatt | 55 | Wife | — | England |
| 43 | Kathleen Froggatt | 17 | Daughter | — | Pennsylvania |
| 44 | James Ritchey | 47 | Head | Foreman | Pennsylvania |
| 45 | Bertha Ritchey | 46 | Wife | — | Pennsylvania |
| 46 | Joseph Ritchey | 24 | Son | Engineer | Pennsylvania |
| 47 | Zetta Ritchey | 23 | Daughter | Waitress | Pennsylvania |
| 48 | Bubela Ritchey | 20 | Daughter | — | Pennsylvania |
| 49 | Dan Ritchey | 14 | Son | — | Pennsylvania |
| 50 | R. S. Mordan | 56 | Head | Engineer | Pennsylvania |
| 51 | Emma W. Mordan | 53 | Wife | — | Pennsylvania |
| 52 | Rachel T. Thaw | 15 | Daughter | — | Pennsylvania |
| 53 | John Halow | 32 | Head | Miner | Pennsylvania |
| 54 | Helen Halow | 31 | Wife | Store Keeper | Pennsylvania |
| 55 | Sylvester Ritchey | 19 | Step son | — | Pennsylvania |
| 56 | Raymond Ritchey | 16 | Step son | — | Pennsylvania |
| 57 | Ruth Ritchey | 14 | Step dau | — | Pennsylvania |
| 58 | Grace Ritchey | 12 | Step dau | — | Pennsylvania |
| 59 | Betty Ritchey | 11 | Step dau | — | Pennsylvania |
| 60 | Billy Halow | 4 | Son | — | Pennsylvania |
| 61 | Raymond Paul | 35 | Head | Miner | Pennsylvania |
| 62 | Lucille Ritchey | 25 | Wife | — | Pennsylvania |
| 63 | Ronald Ritchey | 8 | Son | — | Pennsylvania |
| 64 | Eleanor Ritchey | 5 | Daughter | — | Pennsylvania |
| 65 | Paul Ritchey | 3 | Son | — | Pennsylvania |
| 66 | John J. Nelson | 75 | Head | Miner | Scotland |
| 67 | Sarah Nelson | 73 | Wife | — | Pennsylvania |
| 68 | Charles O. Baird | 59 | Head | Theater Manager | Pennsylvania |
| 69 | Matilda Baird | 51 | Wife | — | Pennsylvania |
| 70 | Charles O. Jr Baird | 31 | Son | Manager (Theater) | Pennsylvania |
| 71 | John A. Baird THIS PERSON | 30 | Son | Hotel Manager | Pennsylvania |
| 72 | Gilbert Baird | 26 | Son | Miner | Pennsylvania |
| 73 | Caroline Baird | 22 | Daughter | Clerk | Pennsylvania |
| 74 | Elwood D. Baird | 19 | Son | Janitor | Pennsylvania |
| 75 | William R. Baird | 16 | Son | — | Pennsylvania |
| 76 | William J. Turner | 25 | Son in law | Theater Manager | Pennsylvania |
| 77 | Leatha Turner | 24 | Daughter | — | Pennsylvania |
| 78 | Barbara Turner | 4 | Granddaughter | — | Pennsylvania |
| 79 | R. G. Miles | 34 | Head | Draftsman | Pennsylvania |
| 80 | Pauline Miles | 30 | Wife | — | Pennsylvania |
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)