DH
Dorothy Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Dorothy Harris across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Blanch & David — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Harris |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Norristown |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Norristown |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Harris | Daughter | — | 24 | ~1916 |
| David Harris | Head | — | 55 | ~1885 |
| Blanch Harris | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Montgomery, Pennsylvania
Daughter, age 3
Montgomery, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Daughter, age 13
Montgomery, Pennsylvania · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Montgomery-County, Pennsylvania
Daughter, age 24
Montgomery-County, Pennsylvania · implied b. ~1916 — 3 household members
| Surname | Harris |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Norristown |
| 1935 Residence (County) | Montgomery |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 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 Dorothy Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Blanch Harris (~0.92 confidence) and father David Harris (~0.92 confidence) and father David Harris (~0.92 confidence) and father David Harris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Blanch Harris
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
David Harris
b. ~1885
Source father
● Household
· direct · ~0.92
Father
David Harris
b. ~1885
Source father
● Household
· direct · ~0.92
Father
David Harris
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Harris
Daughter · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-03581-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George S. Mchamels | 40 | Head | Renovator | Pennsylvania |
| 42 | Enola L. Mchamels | 40 | Wife | — | Pennsylvania |
| 43 | David Harris | 55 | Head | Trucker | Pennsylvania |
| 44 | Blanch Harris | 58 | Wife | — | Pennsylvania |
| 45 | Dorothy Harris THIS PERSON | 24 | Daughter | — | Pennsylvania |
| 46 | Raymond Pennelly | 23 | Head | Tin Maker | Pennsylvania |
| 47 | Catharine Pennelly | 22 | Wife | Winder | Pennsylvania |
| 48 | Howard G. Bean | 42 | Head | Carpenter | Pennsylvania |
| 49 | Alice E. Bean | 36 | Wife | — | Pennsylvania |
| 50 | Russell H. Bean | 13 | Son | — | Pennsylvania |
| 51 | Walter Pierce | 64 | Head | — | England |
| 52 | Ellen Pierce | 54 | Wife | — | Pennsylvania |
| 53 | Henry Straper | 40 | Boarder | Laborer | Pennsylvania |
| 54 | Isco Imes | 33 | Head | Truck Driver | Pennsylvania |
| 55 | Hazel Imes | 34 | Wife | Housekeeping | Pennsylvania |
| 56 | Melvin Imes | 12 | Son | — | Pennsylvania |
| 57 | Norman Imes | 6 | Son | — | Pennsylvania |
| 58 | Bertha Watterlow | 52 | Mother-in-law | — | Pennsylvania |
| 59 | William Potter | 39 | Head | Truck Driver | Pennsylvania |
| 60 | Ethel Potter | 49 | Wife | — | Pennsylvania |
| 61 | Pearl Potter | 13 | Daughter | — | Pennsylvania |
| 62 | Eleanora Potter | 66 | Mother-in-law | — | Pennsylvania |
| 63 | Benjamin Griffiths | 59 | Head | Roller | Pennsylvania |
| 64 | Ellen M. Griffiths | 55 | Wife | — | Pennsylvania |
| 65 | Minnie Leory | 60 | Head | — | Pennsylvania |
| 66 | Beatrice Baker | 33 | Daughter | Saleslady | Pennsylvania |
| 67 | Charles Leory | 23 | Son | Machine Operator | Pennsylvania |
| 68 | William Tyson | 33 | Head | Wool Blender | Pennsylvania |
| 69 | Anna Tyson | 30 | Wife | — | Pennsylvania |
| 70 | Robert Tyson | 8 | Son | — | Pennsylvania |
| 71 | William Jr. Tyson | 4 | Son | — | Pennsylvania |
| 72 | Noble Grenfell | 34 | Head | Presser | Pennsylvania |
| 73 | Christine Grenfell | 34 | Wife | Knitter | Pennsylvania |
| 74 | Anthony Venezia | None | Head | Truck Driver | Italy |
| 75 | Jennie Venezia | None | Wife | — | Italy |
| 76 | Anna Venezia | None | Daughter | Looper | Pennsylvania |
| 77 | Charles Venezia | 8 | Son | Helper | Pennsylvania |
| 78 | Samuel Venezia | 18 | Son | — | Pennsylvania |
| 79 | Joseph Venezia | 17 | Son | — | Pennsylvania |
| 80 | John Venezia | 16 | Son | — | Pennsylvania |
Pedigree Summary
Dorothy
Gen 1 · 4 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)