MF
Mary Ford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dauphin-County, Pennsylvania
Our Model Tree links this Mary Ford across the 1920, 1930 and 1940 US Censuses in Dauphin-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary & Irvin — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dauphin-County, Pennsylvania |
| Surname | Ford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Penbrook Boro |
| 1935 Residence (County) | Dauphin |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Penbrook Boro |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Ford | Daughter | — | 21 | ~1919 |
| Irvin Ford | Head | — | 58 | ~1882 |
| Harry Ford | Son | — | 36 | ~1904 |
| Mary Ford | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Dauphin, Pennsylvania
Daughter, age
Dauphin, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Dauphin, Pennsylvania
Daughter, age 11
Dauphin, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Dauphin-County, Pennsylvania
Daughter, age 21
Dauphin-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Ford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Penbrook Boro |
| 1935 Residence (County) | Dauphin |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 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 Ford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Ford (~0.92 confidence) and father Irvin Ford (~0.92 confidence) and father David Ford (~0.92 confidence) and father Jacob Ford (~0.92 confidence) and mother May Ford (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Ford
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Irvin Ford
b. ~1882
Source father
● Household
· direct · ~0.92
Father
David Ford
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Jacob Ford
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
May Ford
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Ford
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Harry Ford
Sibling · 1940 · age 36
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 — Dauphin-County, Pennsylvania
Open full size
1940 US Federal Census — Dauphin-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03484-00484)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Jr. Raver | 45 | Head | Labourer | Pennsylvania |
| 2 | Carrie V. Raver | 42 | Wife | — | Pennsylvania |
| 3 | John H. 3Rd Raver | 15 | Son | — | Pennsylvania |
| 4 | Gary W. Raver | 13 | Son | — | Pennsylvania |
| 5 | Reuben L. Weiser | 48 | Brother-in-law | Painter | Pennsylvania |
| 6 | Irvin R. Ford | 58 | Head | Switcher | Pennsylvania |
| 7 | Mary L. Ford | 59 | Wife | — | Pennsylvania |
| 8 | Harry Ford | 36 | Son | Tag Driver | Pennsylvania |
| 9 | Mary Ford THIS PERSON | 21 | Daughter | — | Pennsylvania |
| 10 | Harry H. Horner | 78 | Head | Butcher | Pennsylvania |
| 11 | Margaret Horner | 78 | Wife | — | Pennsylvania |
| 12 | Richard Horner | 17 | Son | — | Pennsylvania |
| 13 | Irvin E. Basehore | 56 | Head | Contract Painter | Pennsylvania |
| 14 | Harold Basehore | 28 | Son | Painter | Pennsylvania |
| 15 | Charles Basehore | 27 | Son | Painter | Pennsylvania |
| 16 | Dorothy Basehore | 24 | Daughter | — | Pennsylvania |
| 17 | Richard Basehore | 19 | Son | — | Pennsylvania |
| 18 | Margaret Basehore | 14 | Daughter | — | Pennsylvania |
| 19 | Patricia Basehore | 12 | Daughter | — | Pennsylvania |
| 20 | Wm. E. Loren | 45 | Head | Contractor | Pennsylvania |
| 21 | Bessie V. Loren | 43 | Wife | — | Pennsylvania |
| 22 | Clara M. Harman | 73 | Aunt | — | Pennsylvania |
| 23 | Beatrice Loren | 20 | Daughter | Ship. Clerk | Pennsylvania |
| 24 | Thelma Loren | 15 | Daughter | — | Pennsylvania |
| 25 | H. A. Yoder | 54 | Head | 64 | Pennsylvania |
| 26 | Priscilla Yoder | 52 | Wife | — | Pennsylvania |
| 27 | Jacob Widenhamer | 40 | Son-in-law | Mail Clerk | Pennsylvania |
| 28 | Lotta Widenhamer | 33 | Daughter | — | Pennsylvania |
| 29 | Kate M. Weaver | 67 | Head | — | Pennsylvania |
| 30 | John B. Weaver | 37 | Son | Baker | Pennsylvania |
| 31 | Alfred F. Welty | 44 | Son-in-law | Laborer | Pennsylvania |
| 32 | Susan R. Welty | 45 | Daughter | Servant | Pennsylvania |
| 33 | Wm. H. Dum | 29 | Head | Bus Driver | Pennsylvania |
| 34 | Sara Dum | 28 | Wife | Clerk | Pennsylvania |
| 35 | Annie M. Dum | 60 | Mother | — | Pennsylvania |
| 36 | Betty Dum | 15 | Granddaughter | — | Pennsylvania |
| 37 | R. P. Pietsch | 54 | Head | Car Inspector | Germany |
| 38 | Bernice Pietsch | 45 | Wife | — | Pennsylvania |
| 39 | R. H. Pietsch | 25 | Son | Bus Boy | Pennsylvania |
| 40 | Robt. J. Pietsch | 22 | Son | Barber | Pennsylvania |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)