MS
Martin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Martin Smith across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed), with identified parents May & James — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Smith |
| Given Name | Martin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mineola Village |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Bank Clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Bank Clerk |
| Township / Ward | Mineola Village |
| Est. Birth Year | ~1918 |
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 Martin | Age | Birth yr |
|---|---|---|---|---|
| Earl Smith | Son | — | 22 | ~1918 |
| Martin Smith | Son | — | 22 | ~1918 |
| May Smith | Head | — | 52 | ~1888 |
Census Appearances
1920
Nassau, New …
Son, age 1
Nassau, New York · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martin S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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
Nassau, New …
Son, age 12
Nassau, New York · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 22
Nassau-County, New York · implied b. ~1918 — 3 household members
| Surname | Smith |
| Given Name | Martin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mineola Village |
| 1935 Residence (County) | Nassau |
| Occupation | Bank Clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | Hs 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 Martin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother May Smith (~0.92 confidence) and father James Smith (~0.92 confidence) and mother Madeline Smith (~0.92 confidence) and mother Madeline Smith (~0.92 confidence) and father John Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
May Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
James Smith
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Madeline Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Madeline Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
John Smith
b. ~1896
Source father
● Household
· direct · ~0.92
This person
Anchor record
Martin Smith
Son · 1940 · age 22 · b. ~1918 · New York
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Sibling
Earl Smith
Sibling · 1940 · age 22
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 — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02691-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Valentine | 53 | Wife | — | New York |
| 2 | H. J. Valentine | 40 | Head | Postal Clerk | New York |
| 3 | Della Valentine | 28 | Wife | — | North Carolina |
| 4 | James J. Valentine | 3 | Son | — | — |
| 5 | Michael Magliano | 37 | Head | Postal Clerk | New York |
| 6 | Cora Magliano | 39 | Wife | Beautician | New York |
| 7 | Chas. Nielsen | 53 | Head | Cement Worker | New York |
| 8 | Anna Nielsen | 43 | Wife | — | New York |
| 9 | Chas. J. Nielsen | 24 | Son | Delivery Man | Mass. |
| 10 | August Nielsen | 22 | Son | Warehouse Man | New York |
| 11 | Elmer Nielsen | 18 | Son | — | New York |
| 12 | Albert Nielsen | 17 | Son | — | New York |
| 13 | Doris Nielsen | 6 | Daughter | — | — |
| 14 | Mary Show | 81 | Head | — | New York |
| 15 | Alonzo Show | 39 | Son | Gardener | New York |
| 16 | Joseph H. Andrews | 75 | Head | — | New York |
| 17 | Daisy Stevens | 42 | Nurse | Trained Nurse | Canada English |
| 18 | Joseph H. Andrews | 28 | Head | Order Clerk | New York |
| 19 | Winona Andrews | 26 | Wife | — | Indiana |
| 20 | Allan Lancaster | 4 | Nephew | — | — |
| 21 | Carl A. H. Kloving | 48 | Head | Drug Clerk | New York |
| 22 | Grace Kloving | 60 | Wife | — | New York |
| 23 | Jeanette Kloving | 20 | Daughter | Stationery Clerk | New York |
| 24 | Louis Frommer | 65 | Roomer | Proprietor | Connecticut |
| 25 | Catherine Mccoubrey | 38 | Roomer | Servant | New York |
| 26 | Joseph Moncello | 31 | Head | Salesman | Italy |
| 27 | Josephine Moncello | 28 | Wife | — | Canada English |
| 28 | Richard Moncello | 1 | Son | — | — |
| 29 | May Smith | 52 | Head | Saleslady | New York |
| 30 | Earl Smith | 22 | Son | Proprietor | New York |
| 31 | Martin Smith THIS PERSON | 22 | Son | Bank Clerk | New York |
| 32 | Roy Mccollester | 30 | Head | Restaurant Mgr. | Florida |
| 33 | Mafalda Mccollester | 26 | Wife | — | New York |
| 34 | Jacob Rosenthal | 37 | Head | Proprietor | Russia |
| 35 | Celia Rosenthal | 37 | Wife | Assistant | New York |
| 36 | Richard Rosenthal | 9 | Son | — | New York |
| 37 | Robert Rosenthal | 2 | Son | — | — |
| 38 | Herbert Frommer | 35 | Head | Salesman | New York |
| 39 | Bernard Frommer | 26 | Brother | Saw Filer | New York |
| 40 | Joaquin Ferreira | 45 | Head | Porter | Portugal |
Pedigree Summary
Martin + 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)