JT
John Todd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this John Todd across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Todd |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allenport borough |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Miner Coal |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Miner Coal |
| Township / Ward | Allenport Borough |
| Est. Birth Year | ~1885 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mildred Todd | Daughter | — | 13 | ~1927 |
| John Todd | Head | — | 55 | ~1885 |
| Harry Roberts | Other | — | 46 | ~1894 |
| Mildred Todd | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Washington, Pennsylvania
Head, age 35
Washington, Pennsylvania · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Head, age 46
Washington, Pennsylvania · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7. |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Head, age 55
Washington-County, Pennsylvania · implied b. ~1885 — 4 household members
| Surname | Todd |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allenport borough |
| 1935 Residence (County) | Washington |
| Occupation | Miner Coal |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Todd
Head · 1940 · age 55 · b. ~1885 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03620-00009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cornelius Acton | 57 | Head | Laborer | Pennsylvania |
| 42 | Ethel D. Acton | 57 | Wife | — | Pennsylvania |
| 43 | Cornelius Acton | 19 | Son | Newsworker | Pennsylvania |
| 44 | Jack W. Todd | 23 | Head | Hooker | Pennsylvania |
| 45 | Elsie I. Todd | 21 | Wife | — | Pennsylvania |
| 46 | Ronald James Todd | 2 | Son | — | Pennsylvania |
| 47 | Lois Jean Todd | 1 | Daughter | — | Pennsylvania |
| 48 | John H. Todd THIS PERSON | 55 | Head | Miner Coal | Pennsylvania |
| 49 | Mildred L. Todd | 51 | Wife | — | Pennsylvania |
| 50 | Mildred Todd | 13 | Daughter | — | Pennsylvania |
| 51 | Harry A. Roberts | 46 | Son-in-law | Janitor | Pennsylvania |
| 52 | John Long | 46 | Head | Miner | Ohio |
| 53 | Anna B. Long | 39 | Wife | — | Pennsylvania |
| 54 | Guy Long | 18 | Son | Laborer | Pennsylvania |
| 55 | Mary Ellen Long | 17 | Daughter | Maid | Pennsylvania |
| 56 | Emelyn Long | 15 | Daughter | — | Pennsylvania |
| 57 | Jack Long | 13 | Son | — | Pennsylvania |
| 58 | William Long | 12 | Son | — | Pennsylvania |
| 59 | Milford Long | 4 | Son | — | Pennsylvania |
| 60 | Dorothy Long | 2 | Daughter | — | Pennsylvania |
| 61 | Rita Ann Long | 0 | Daughter | — | Pennsylvania |
| 62 | John Shannon | 62 | Head | Miner | Ohio |
| 63 | Annie Shannon | 59 | Wife | — | Pennsylvania |
| 64 | William Shannon | 31 | Son | Roller | Pennsylvania |
| 65 | Anna Shannon | 27 | Daughter-in-law | Cook | Pennsylvania |
| 66 | Margaret Shannon | 20 | Daughter | Clerk | Pennsylvania |
| 67 | Jack Shannon | 18 | Son | — | Pennsylvania |
| 68 | Hugh Holman | 32 | Head | Craneman | Pennsylvania |
| 69 | Lillian Holman | 24 | Wife | — | Pennsylvania |
| 70 | James L. Holman | 4 | Son | — | Pennsylvania |
| 71 | Connie E. Holman | 1 | Daughter | — | Pennsylvania |
| 72 | Margaret Mcvicar | 62 | Mother-in-law | — | Scotland |
| 73 | Hugh Mcvancy | 41 | Head | Gager | Pennsylvania |
| 74 | Ethel Mcvancy | 40 | Wife | — | Pennsylvania |
| 75 | John O'Neill | 58 | Head | Laborer | Pennsylvania |
| 76 | Emma O'Neill | 58 | Wife | — | Pennsylvania |
| 77 | Mildred O'Neill | 24 | Daughter | Waitress | Pennsylvania |
| 78 | Shannon, Grace O'Neill | 28 | Daughter | Clerk | Pennsylvania |
| 79 | James O'Neill | 67 | Head | — | England |
| 80 | Thomas O'Neill | 63 | Brother | — | England |
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)