ML
Mary Lopez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Lopez across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 9-person household.
Age 47
b. ~1893
Female
Spouse
Born: Porto Rico
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Lopez |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Porto Rico |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Pick & Shovel |
| Industry | Road Construction |
| Class of Worker | GW |
| Income (1939) | 422 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | porto rico |
| Occupation | Pick & Shovel |
| Township / Ward | New York City |
| Est. Birth Year | ~1893 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Maryland Lopez | Daughter | — | 17 | ~1923 |
| Vincent Lopez | Son | — | 13 | ~1927 |
| Elisa Del Gado | Other | — | 6 | ~1934 |
| Mary Lopez | Spouse | — | 47 | ~1893 |
| Noah Lopez | Son | — | 22 | ~1918 |
| Doris Lopez | Daughter | — | 10 | ~1930 |
| Louisa Del Gado | Other | — | 24 | ~1916 |
| Vincent Lopez | Head | — | 57 | ~1883 |
| Gilbert Lopez | Son | — | 9 | ~1931 |
Census Appearances
1930
New York, …
Other, age 37
New York, New York · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Porto Rico |
| Naturalization Status | Naturalized |
| Year of Immigration | 1921 |
| Age at First Marriage | 18 |
| Father's Birthplace | Porto Rico |
| Mother's Birthplace | Porto Rico |
| Can Read/Write | Yes |
| Mother Tongue | Spanish |
| Birthplace (normalized) | porto rico |
1940
New-York-County, New …
Spouse, age 47
New-York-County, New York · implied b. ~1893 — 9 household members
| Surname | Lopez |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Porto Rico |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | First papers filed |
| Occupation | Pick & Shovel |
| Industry | Road Construction |
| Class of Worker | GW |
| Income (1939) | 422 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | porto rico |
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 Mary Lopez across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lopez
Spouse · 1940 · age 47 · b. ~1893 · New York
★ 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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02663-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Giuseppi De George | 60 | Head | Electrician | Italy |
| 42 | James De George | 27 | Son | Electrician | New York |
| 43 | Jennie De George | 23 | Daughter | New Worker | New York |
| 44 | Jerome De George | 18 | Son | New Worker | New York |
| 45 | Angelo Laiosa | 55 | Head | Operator | Italy |
| 46 | Rose Laiosa | 48 | Wife | Handy Man | Italy |
| 47 | Anna Laiosa | 29 | Daughter | Display Adv. | Italy |
| 48 | Paul Laiosa | 27 | Son | Locker Boy | New York |
| 49 | Sam Laiosa | 23 | Son | Locker Boy | New York |
| 50 | Joseph Laiosa | 20 | Son | Locker Boy | New York |
| 51 | Angelina Laiosa | 18 | Daughter | Locker Boy | New York |
| 52 | Gaetano Laiosa | 16 | Son | Locker Boy | New York |
| 53 | Anthony Laiosa | 9 | Son | Locker Boy | New York |
| 54 | Vincent Lopez | 57 | Head | Pick & Shovel | Porto Rico |
| 55 | Mary Lopez THIS PERSON | 47 | Wife | Pick & Shovel | Porto Rico |
| 56 | Noah Lopez | 22 | Son | Clerk | Porto Rico |
| 57 | Maryland Lopez | 17 | Daughter | Clerk | New York |
| 58 | Vincent Jr. Lopez | 13 | Son | Clerk | New York |
| 59 | Doris Lopez | 10 | Daughter | Clerk | New York |
| 60 | Gilbert Lopez | 9 | Son | Clerk | New York |
| 61 | Louisa Del Gado | 24 | Lodger | Operator | Porto Rico |
| 62 | Elisa Del Gado | 6 | Lodger | Operator | New York |
| 63 | Salvatore Damato | 51 | Head | Plasterer Helper | Italy |
| 64 | Philomena Damato | 24 | Daughter | Painter | Chicago Ill |
| 65 | Mary Damato | 22 | Daughter | Operator | Chicago Ill |
| 66 | Georgina Damato | 19 | Daughter | Operator | Chicago Ill |
| 67 | Concetta Damato | 16 | Daughter | Operator | New York |
| 68 | George Damato | 13 | Son | Operator | New York |
| 69 | Angelina Damato | 7 | Daughter | Operator | New York |
| 70 | Vincenzo Provenzano | 58 | Head | Laborer | Italy |
| 71 | Bernice Provenzano | 50 | Wife | Laborer | Italy |
| 72 | Placida Provenzano | 27 | Daughter | Operator | New York |
| 73 | Rose Provenzano | 23 | Daughter | Operator | New York |
| 74 | Mariano Provenzano | 12 | Son | Operator | New York |
| 75 | Louis Camarata | 54 | Head | Baker | Italy |
| 76 | Lora Camarata | 52 | Wife | Baker | Italy |
| 77 | Rose Camarata | 23 | Daughter | Operator | New York |
| 78 | Frank Camarata | 21 | Son | Clerk | New York |
| 79 | Anthony Falletta | 47 | Head | Barber | Italy |
| 80 | Fannie Falletta | 46 | Wife | Barber | Italy |
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)