MA
Martha Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cortland-County, New York
Our Model Tree links this Martha Allen across the 1920, 1930 and 1940 US Censuses in Cortland-County, New York (XGBoost, ~Confirmed), with identified parents James & Mary — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cortland-County, New York |
| Surname | Allen |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Homer Village |
| 1935 Residence (County) | Cortland |
| Additional Details | |
| Occupation | Inspector |
| Industry | Fish line factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Inspector |
| Township / Ward | Homer Village |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Mary Allen | Spouse | — | 52 | ~1888 |
| Martha Allen | Daughter | — | 23 | ~1917 |
| Catherine Allen | Daughter | — | 25 | ~1915 |
| Grover Allen | Head | — | 55 | ~1885 |
Census Appearances
1920
Cortland, New …
Daughter, age 2
Cortland, New York · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Cortland, New …
Daughter, age 13
Cortland, New York · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Cortland-County, New …
Daughter, age 23
Cortland-County, New York · implied b. ~1917 — 4 household members
| Surname | Allen |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Homer Village |
| 1935 Residence (County) | Cortland |
| Occupation | Inspector |
| Industry | Fish line factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Martha Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Allen (~0.92 confidence) and mother Mary Allen (~0.92 confidence) and father Grover Allen (~0.92 confidence) and mother Mary Allen (~0.92 confidence) and mother Mary Allen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Allen
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Grover Allen
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Allen
Daughter · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Catherine Allen
Sibling · 1940 · age 25
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 — Cortland-County, New York
Open full size
1940 US Federal Census — Cortland-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02520-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lester J Davis | 43 | Head | Freight Clerk | New York |
| 2 | Mabel A Davis | 44 | Wife | — | New York |
| 3 | Louise Davis | 19 | Daughter | — | New York |
| 4 | Marjorie Davis | 14 | Daughter | — | New York |
| 5 | Richard Davis | 6 | Son | — | New York |
| 6 | Leonard Mable | 28 | Head | Truck Driver | New York |
| 7 | Myrtle A Mable | 27 | Wife | Servant | New York |
| 8 | Herbert Niswender | 35 | Head | Forging Shop | Iowa |
| 9 | May O Niswender | 37 | Wife | — | New York |
| 10 | Kenneth Niswender | 14 | Son | — | Colorado |
| 11 | Lawrence Niswender | 8 | Son | — | New York |
| 12 | Robert Niswender | 7 | Son | — | New York |
| 13 | Olin Anelm | 29 | Head | Laborer | New York |
| 14 | Jennie D Anelm | 32 | Wife | — | New York |
| 15 | Olin Anelm | 6 | Son | — | New York |
| 16 | Herman Anelm | 69 | Father | — | New York |
| 17 | Edmund Roy | 35 | Head | Mechanic | New York |
| 18 | Doris A Roy | 22 | Wife | — | New York |
| 19 | Ellen Roy | 2 | Daughter | — | New York |
| 20 | Judith Roy | 1 | Daughter | — | New York |
| 21 | Minnie Lewis | 65 | Mother in law | — | New York |
| 22 | Ernest Squires | 63 | Head | Supply Man | New York |
| 23 | Ina D Squires | 52 | Wife | — | New York |
| 24 | Bert Rodee | 64 | Head | Laborer | New York |
| 25 | Mabel Q Rodee | 37 | Daughter | Bookkeeper | New York |
| 26 | Edward S Cuddy | 37 | Head | Mechanic | England |
| 27 | Margaret Cuddy | 31 | Wife | Braider | Illinois |
| 28 | Cristobel S Sullivan | 67 | Head | — | New York |
| 29 | Grover Allen | 55 | Head | Farm Manager | New York |
| 30 | Mary D Allen | 52 | Wife | — | New York |
| 31 | Catherine Allen | 25 | Daughter | Servant | New York |
| 32 | Martha Allen THIS PERSON | 23 | Daughter | Inspector | New York |
| 33 | Jennie D Marcey | 79 | Head | — | New York |
| 34 | Charles Peacock | 81 | Head | — | New York |
| 35 | Fred Peacock | 42 | Son | Baker | New York |
| 36 | Ellen D Peacock | 34 | Daughter in law | — | New York |
| 37 | Frances Peacock | 17 | Granddaughter | — | North Carolina |
| 38 | Luay Peacock | 15 | Granddaughter | — | New York |
| 39 | Charles Peacock | 14 | Grandson | — | New York |
| 40 | Harold Peacock | 12 | Grandson | — | New York |
Pedigree Summary
Martha + 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)