MC
Mary Connell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mary Connell across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 7-person household.
Age 66
b. ~1874
Female
Head
Born: Scotland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Connell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Chester |
| Est. Birth Year | ~1874 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| A Connell | Daughter | — | 28 | ~1912 |
| Thomas Connell | Son | — | 27 | ~1913 |
| John Connell | Son | — | 69 | ~1871 |
| Mary Connell | Head | — | 66 | ~1874 |
| Catherine Connell | Daughter | — | 44 | ~1896 |
| Margaret Connell | Daughter | — | 40 | ~1900 |
| Joseph Connell | Son | — | 32 | ~1908 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 55
Philadelphia, Pennsylvania · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connell |
| Given Name | Marion |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Delaware-County, Pennsylvania
Head, age 66
Delaware-County, Pennsylvania · implied b. ~1874 — 7 household members
| Surname | Connell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| 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 Mary Connell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Connell
Head · 1940 · age 66 · b. ~1874 · 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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03487-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George P. Turner | 46 | Head | Still Man | Pennsylvania |
| 42 | Harriet Turner | 42 | Wife | — | Pennsylvania |
| 43 | George C. Turner | 19 | Son | Usher | Pennsylvania |
| 44 | Celestine Turner | 17 | Daughter | — | Pennsylvania |
| 45 | William Tas. Turner | 18 | Son | U S Army | Pennsylvania |
| 46 | William Mahoney | 57 | Head | Painter | Maryland |
| 47 | Mary Mahoney | 51 | Wife | — | Pennsylvania |
| 48 | Joseph Mahoney | 22 | Son | Laborer | Pennsylvania |
| 49 | Margaret Mahoney | 21 | Daughter-law | — | New York |
| 50 | Myrna V. Mahoney | 0 | Granddaughter | — | Pennsylvania |
| 51 | Charles Mahoney | 19 | Son | Laborer | Pennsylvania |
| 52 | Asbury Passwaters | 41 | Head | Bus Driver | Delaware |
| 53 | Mary Passwaters | 38 | Wife | — | Delaware |
| 54 | Virmadella Passwaters | 18 | Daughter | — | Maryland |
| 55 | Samuel Blanchard | 31 | Head | Mechanic | North Carolina |
| 56 | Lucille Blanchard | 24 | Wife | — | Delaware |
| 57 | Joyce Blanchard | 1 | Daughter | — | Delaware |
| 58 | Mary Connell THIS PERSON | 66 | Head | — | Scotland |
| 59 | Catherine Connell | 44 | Daughter | Saleslady | Pennsylvania |
| 60 | Margaret Connell | 40 | Daughter | Stenographer | Pennsylvania |
| 61 | A. Elizabeth Connell | 28 | Daughter | Stenographer | Pennsylvania |
| 62 | Joseph Connell | 32 | Son | Electrician | Pennsylvania |
| 63 | Thomas Connell | 27 | Son | Laborer | Pennsylvania |
| 64 | John Connell | 69 | Son | — | Pennsylvania |
| 65 | Walter Hood | 48 | Head | Freightliner | Georgia |
| 66 | Kenneth Hood | 18 | Son | Helper | Maryland |
| 67 | Walter Jr. Hood | 12 | Son | — | Pennsylvania |
| 68 | Arthur Hood | 9 | Son | — | Pennsylvania |
| 69 | George W. Sr. Herrick | 82 | Head | — | Maryland |
| 70 | S. Ida Herrick | 75 | Wife | — | New Jersey |
| 71 | C. Franklin Mohler | 43 | Head | Foreman | Ohio |
| 72 | Adele Mohler | 36 | Wife | — | Pennsylvania |
| 73 | C. Franklin Mohler | 9 | Son | — | Pennsylvania |
| 74 | Emma Wetzel | 58 | Aunt | — | Pennsylvania |
| 75 | Harry B. Lee | 33 | Head | Rigger | Pennsylvania |
| 76 | Louise Lee | 30 | Wife | — | Pennsylvania |
| 77 | Edna Lee | 11 | Daughter | — | Pennsylvania |
| 78 | Harry Lee | 9 | Son | — | Pennsylvania |
| 79 | Kenneth Lee | 8 | Son | — | 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)