MM
Mary Mccullough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Mccullough across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McCullough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mccullough | Son | — | 5 | ~1935 |
| Joseph Beer | Other | — | 76 | ~1864 |
| William Mccullough | Head | — | 50 | ~1890 |
| Lillian Mccullough | Daughter | — | 6 | ~1934 |
| John Mccullough | Son | — | 8 | ~1932 |
| Catherine Mccullough | Daughter | — | 18 | ~1922 |
| Mary Mccullough | Daughter | — | 13 | ~1927 |
| Theresa Mccullough | Daughter | — | 12 | ~1928 |
| William Mccullough | Son | — | 15 | ~1925 |
| Lillian Mccullough | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 13
Philadelphia-County, Pennsylvania · implied b. ~1927 — 10 household members
| Surname | McCullough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | 7 |
| 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 Mary Mccullough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccullough
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Mccullough
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccullough
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Mccullough
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccullough
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccullough
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Mccullough
Sibling · 1940 · age 6
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03726-00874)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara M Bacon | 49 | Wife | — | Pennsylvania |
| 42 | Clifford Bacon | 27 | Son | Shipping Clerk | Pennsylvania |
| 43 | Joseph Jr Bacon | 25 | Son | Cost Clerk | Pennsylvania |
| 44 | Elizabeth D Bacon | 24 | Daughter | Machine Operator | Pennsylvania |
| 45 | George Bacon | 12 | Son | — | Pennsylvania |
| 46 | Kate Bacon | 81 | Aunt | — | Pennsylvania |
| 47 | Fred Winterstein | 47 | Head | — | Pennsylvania |
| 48 | Ella Winterstein | 50 | Wife | — | Pennsylvania |
| 49 | Mildred Winterstein | 20 | Daughter | Comptometer Operator | Pennsylvania |
| 50 | Mary Winterstein | 18 | Daughter | — | Pennsylvania |
| 51 | Maxwell Preller | 68 | Head | Shovel Maker | Pennsylvania |
| 52 | Amelia Preller | 64 | Wife | — | England |
| 53 | Alfred C Ashbridge | 62 | Head | — | Pennsylvania |
| 54 | Blanche M Ashbridge | 51 | Wife | — | Pennsylvania |
| 55 | Elsie T Ashbridge | 33 | Niece | Typist | Pennsylvania |
| 56 | Harry Hitzell | 53 | Head | Sheet Metal Worker | Pennsylvania |
| 57 | Anna Hitzell | 53 | Wife | — | Pennsylvania |
| 58 | John E Werner | 75 | Head | Baker | Germany |
| 59 | Carl Werner | 38 | Son | Carpenter | Pennsylvania |
| 60 | Phillip Sommershuk | 40 | Head | Chauffeur | Pennsylvania |
| 61 | Anna Sommershuk | 41 | Wife | — | Pennsylvania |
| 62 | Emma Sommershuk | 16 | Daughter | — | Pennsylvania |
| 63 | Phillip Sommershuk | 15 | Son | — | Pennsylvania |
| 64 | Emma Ehret | 37 | Sister-in-law | Winder | Pennsylvania |
| 65 | Phillip C Price | 52 | Head | Bookkeeper | Pennsylvania |
| 66 | Elizabeth Price | 52 | Wife | — | Pennsylvania |
| 67 | Adele Miller | 26 | Daughter | — | Pennsylvania |
| 68 | George Miller | 32 | Son-in-law | Foreign Traffic Manager | Pennsylvania |
| 69 | George B Miller | 3 | Grandchild | — | Pennsylvania |
| 70 | William J Mccullough | 50 | Head | City Patrolman | Pennsylvania |
| 71 | Lillian Mccullough | 44 | Wife | — | Pennsylvania |
| 72 | Catherine Mccullough | 18 | Daughter | New Worker | Pennsylvania |
| 73 | William Mccullough | 15 | Son | — | Pennsylvania |
| 74 | Mary Mccullough THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 75 | Theresa Mccullough | 12 | Daughter | — | Pennsylvania |
| 76 | John Mccullough | 8 | Son | — | Pennsylvania |
| 77 | Lillian Mccullough | 6 | Daughter | — | Pennsylvania |
| 78 | Joseph Mccullough | 5 | Son | — | Pennsylvania |
| 79 | Joseph Beer | 76 | Father-in-law | — | Pennsylvania |
| 80 | Louise Blind | 75 | Head | — | Germany |
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)