MW
Mary Webster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Mary Webster across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Webster |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bryn Athyn |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bryn Athyn |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Webster | Daughter | — | 18 | ~1922 |
| George Webster | Son | — | 10 | ~1930 |
| Neva Webster | Spouse | — | 45 | ~1895 |
| Jean Webster | Daughter | — | 17 | ~1923 |
| Alethe Webster | Daughter | — | 7 | ~1933 |
| Ada Webster | Daughter | — | 13 | ~1927 |
| Ronald Webster | Head | — | 50 | ~1890 |
| Irene Webster | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 8
Montgomery, Pennsylvania · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Webster |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | Penna |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Montgomery-County, Pennsylvania
Daughter, age 18
Montgomery-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Webster |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bryn Athyn |
| 1935 Residence (County) | Montgomery |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Webster across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Webster
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Ada Webster
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Webster
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Webster
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Webster
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alethe Webster
Sibling · 1940 · age 7
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-03577-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Coley | 69 | Head | Florist | Pennsylvania |
| 42 | Ida Coley | 65 | Wife | — | Pennsylvania |
| 43 | Alex Moir | 65 | Lodger | Manager | Missouri |
| 44 | Jean Tahk | 31 | Lodger | — | Pennsylvania |
| 45 | Fredrick C. Tahk | 1 | Lodger | — | Pennsylvania |
| 46 | Sara Maddock | 87 | Mother in law | — | Pennsylvania |
| 56 | Joseph P. Conard | 59 | Head | Dairyman | Pennsylvania |
| 57 | Carrie Conard | 53 | Wife | — | Pennsylvania |
| 58 | Peter Nielsen | 71 | Head | Cabinet Maker | Denmark |
| 59 | Mary Nielsen | 66 | Wife | — | Denmark |
| 60 | Lillian Nielsen | 44 | Daughter | Teacher | Pennsylvania |
| 61 | Ronald Webster | 50 | Head | Horseman | England |
| 62 | Neva J. Webster | 45 | Wife | — | Pennsylvania |
| 63 | Mary Louise Webster THIS PERSON | 18 | Daughter | — | Michigan |
| 64 | Jean Lenora Webster | 17 | Daughter | — | Michigan |
| 65 | Ada Lucille Webster | 13 | Daughter | — | Pennsylvania |
| 66 | George Allen Webster | 10 | Son | — | Pennsylvania |
| 67 | Irene Leslie Webster | 8 | Daughter | — | Pennsylvania |
| 68 | Alethe Webster | 7 | Daughter | — | Pennsylvania |
| 69 | Philip Pendleton | 39 | Head | Attorney | Illinois |
| 70 | Doris Pendleton | 38 | Wife | — | Pennsylvania |
| 71 | Glenn Pendleton | 15 | Daughter | — | Pennsylvania |
| 72 | Dandridge Pendleton | 12 | Son | — | Pennsylvania |
| 73 | James Pendleton | 9 | Son | — | Pennsylvania |
| 74 | Judith Pendleton | 6 | Daughter | — | Pennsylvania |
| 75 | Gael Pendleton | 2 | Daughter | — | Pennsylvania |
| 76 | Louise Carr | 29 | Servant | Servant | Delaware |
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)