DM
Dorothy Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Martin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Arch & Irene — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bellevue Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bellevue Boro |
| Est. Birth Year | ~1917 |
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 Martin | Daughter | — | 23 | ~1917 |
| Arch Martin | Head | — | 55 | ~1885 |
| Irene Martin | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Allegheny-County, Pennsylvania
Daughter, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 3 household members
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bellevue Boro |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H 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 Dorothy Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arch Martin (~0.92 confidence) and mother Irene Martin (~0.92 confidence) and father Richard Martin (~0.92 confidence) and father Charles Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence) and mother Julia Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arch Martin
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Irene Martin
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Richard Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Charles Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Julia Martin
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Martin
Daughter · 1940 · age 23 · b. ~1917 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03397-00525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Van Kirk | 56 | Head | Dentist | Pennsylvania |
| 2 | Edward Van Kirk | 27 | Son | New Worker | Pennsylvania |
| 3 | Elizabeth Van Kirk | 24 | Daughter | Teacher | Pennsylvania |
| 4 | Mona Woodson | 57 | Servant | Maid | Pennsylvania |
| 5 | Charles Daugherty | 31 | Head | Attendant | Pennsylvania |
| 6 | Jane Daugherty | 25 | Wife | — | Pennsylvania |
| 7 | Lillian Bradley | 65 | Head | — | Pennsylvania |
| 8 | John Bradley | 54 | Brother | — | Pennsylvania |
| 9 | Elizabeth Bradley | 25 | Niece | File Clerk | Pennsylvania |
| 10 | William Bradley | 19 | Nephew | Machine Shop Apprentice | Pennsylvania |
| 11 | Katherine Sterrett | 34 | Niece | Private Secretary | Pennsylvania |
| 12 | Mattie Foster | 43 | Servant | Maid | North Carolina |
| 13 | John T. Rodrigues | 66 | Head | Music Teacher | Pennsylvania |
| 14 | Margaret Rodrigues | 53 | Wife | — | Pennsylvania |
| 15 | Mary Jo Rodrigues | 28 | Daughter | Teacher | Pennsylvania |
| 16 | Jo Ann Rodrigues | 26 | Son | Salesman | Pennsylvania |
| 17 | Margaret Rodrigues | 25 | Daughter | Saleslady | Pennsylvania |
| 18 | Arch Martin | 55 | Head | Patent Attorney | Maryland |
| 19 | Irene Martin | 52 | Wife | — | Pennsylvania |
| 20 | Dorothy Martin THIS PERSON | 23 | Daughter | — | Pennsylvania |
| 21 | Harry Gidman | 51 | Head | Bookkeeper | Pennsylvania |
| 22 | Marion Gidman | 50 | Wife | — | Pennsylvania |
| 23 | Harry Gidman | 29 | Son | — | Pennsylvania |
| 24 | William Gidman | 19 | Son | Handyman | Pennsylvania |
| 25 | George Forney | 54 | Head | Salesman | Pennsylvania |
| 26 | Selma Forney | 52 | Wife | — | Pennsylvania |
| 27 | Emila Hamilton | 85 | Head | — | Pennsylvania |
| 28 | Minnie Hellman | 70 | Servant | Housekeeper | Pennsylvania |
| 29 | Margaret Villaburgh | 83 | Head | — | Pennsylvania |
| 30 | Alice Villaburgh | 63 | Daughter | — | Ohio |
| 31 | Homer R. Greene | 29 | Head | Social Worker | Pennsylvania |
| 32 | Virginia Greene | 22 | Wife | — | Pennsylvania |
| 33 | Homer Jr. Greene | 2 | Son | — | Pennsylvania |
| 34 | Howard Claybaugh | 47 | Head | Salesman | Pennsylvania |
| 35 | Elsie Claybaugh | 47 | Wife | — | Pennsylvania |
| 36 | Howard Jr. Claybaugh | 18 | Son | — | Pennsylvania |
| 37 | Fred W. Gilmore | 40 | Head | Stenographer Clerk | Pennsylvania |
| 38 | Ruby F. Gilmore | 38 | Wife | Teacher | Pennsylvania |
| 39 | Grace Gilmore | 69 | Mother | — | Pennsylvania |
| 40 | Edgar Masters | 65 | Head | Auditor | England |
Pedigree Summary
Dorothy
Gen 1 · 6 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)