DM
Dorothy Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Dorothy Martin across the 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & William — first a spouse (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster City |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lancaster City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Doris Martin | Daughter | — | 5 | ~1935 |
| Clarence Martin | Head | — | 30 | ~1910 |
| Clarence Martin | Son | — | 4 | ~1936 |
| Dorothy Martin | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Lancaster, Pennsylvania
Daughter, age 3
Lancaster, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| 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 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Daughter, age 14
Lancaster, Pennsylvania · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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
Lancaster-County, Pennsylvania
Spouse, age 24
Lancaster-County, Pennsylvania · implied b. ~1916 — 4 household members
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster City |
| 1935 Residence (County) | Lancaster |
| Industry | 0 |
| Highest Grade | No 8 |
| 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 David Martin (~0.92 confidence) and father William Martin (~0.92 confidence) and mother Alice Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Martin
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Alice Martin
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Martin
Spouse · 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 — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03530-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Ream | 3 | daughter | — | Pennsylvania |
| 2 | Jay Ream | 2 | daughter | — | Pennsylvania |
| 3 | Margaret Ream | 21 | sister-in-law | Stenographer | Pennsylvania |
| 4 | Lilla Kirk | 66 | Head | — | Pennsylvania |
| 5 | Walter Kirk | 35 | son | New Worker | Pennsylvania |
| 6 | Charles Kirk | 32 | son | New Worker | Pennsylvania |
| 7 | Grace Kirk | 27 | daughter | New Worker | Pennsylvania |
| 8 | Rosemarie Hardy | 4 | granddaughter | — | Pennsylvania |
| 9 | Ida Osburn | 49 | Head | — | Pennsylvania |
| 10 | Beatrice Osburn | 21 | daughter | Pattern Cutter | Pennsylvania |
| 11 | Charmaine Pennock | 7 | granddaughter | — | Pennsylvania |
| 12 | Roy Mccormey | 34 | Head | Truck Driver | Maryland |
| 13 | Pearl Mccormey | 31 | wife | — | Pennsylvania |
| 14 | June Mccormey | 10 | daughter | — | Pennsylvania |
| 15 | Lois Mccormey | 4 | daughter | — | Pennsylvania |
| 16 | Georgiana Mccormey | 2 | daughter | — | Pennsylvania |
| 17 | Lottie Hughes | 45 | Head | Lodging House | Pennsylvania |
| 18 | Charles Bowman | 64 | Lodger | Repair Umbrellas | Pennsylvania |
| 19 | Joseph Davidson | 65 | Lodger | — | Pennsylvania |
| 20 | Patrick Duffy | 74 | Lodger | — | Ireland |
| 21 | William Gallagher | 47 | Lodger | Foreman | Pennsylvania |
| 22 | Michael Ruby | 54 | Lodger | Laborer | Pennsylvania |
| 23 | Thomas Hauler | 58 | Lodger | Laborer | Pennsylvania |
| 24 | Thomas Law | 32 | Lodger | Laborer | Pennsylvania |
| 25 | George Hoover | 69 | Lodger | — | Pennsylvania |
| 26 | Clarence Martin | 30 | Head | Polisher | Pennsylvania |
| 27 | Dorothy Martin THIS PERSON | 24 | wife | — | Pennsylvania |
| 28 | Doris Martin | 5 | daughter | — | Pennsylvania |
| 29 | Clarence Martin | 4 | son | — | Pennsylvania |
| 30 | John Kilgore | 33 | Head | Attendant | Pennsylvania |
| 31 | John Jr Kilgore | 13 | son | — | Pennsylvania |
| 32 | Harold Kilgore | 10 | son | — | Pennsylvania |
| 33 | William Lee | 47 | brother-in-law | Laborer | Pennsylvania |
| 34 | Alice Lee | 36 | sister | — | Pennsylvania |
| 35 | Edward Bair | 16 | nephew | — | Pennsylvania |
| 36 | Romaine Lee | 10 | niece | — | Pennsylvania |
| 37 | Fay Doris Lee | 4 | niece | — | Pennsylvania |
| 38 | Frederick Beaver | 73 | Head | — | Pennsylvania |
| 39 | Sarah S Beaver | 72 | wife | — | Pennsylvania |
| 40 | Richard Irwin | 31 | Head | Truck Driver | 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)