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Juan Martinez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cristobal-County, None
Our Model Tree links this Juan Martinez across the 1930 and 1940 US Censuses in Cristobal-County, None (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 9-person household.
Age 47
b. ~1893
Male
Head
Born: Panama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cristobal-County, None |
| Surname | Martinez |
| Given Name | Juan J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Panama |
| 1935 Residence (County) | Cristobal |
| Additional Details | |
| Occupation | 56 |
| Industry | Keeper |
| Class of Worker | Supply Dept. Oil Handling Plant |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | panama |
| Occupation | 56 |
| Township / Ward | Cristobal |
| 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 Juan | Age | Birth yr |
|---|---|---|---|---|
| Manuel Martinez | Son | — | 11 | ~1929 |
| Miseluna Martinez | Spouse | — | 34 | ~1906 |
| Lidia Martinez | Daughter | — | 1 | ~1939 |
| Juan Martinez | Head | — | 47 | ~1893 |
| Margarita Martinez | Daughter | — | 14 | ~1926 |
| Theodora Martinez | Son | — | 7 | ~1933 |
| Eugenia Martinez | Daughter | — | 10 | ~1930 |
| Juan Martinez | Son | — | 1 | ~1939 |
| Adolfo Martinez | Son | — | 3 | ~1937 |
Census Appearances
1930
None, None
Head, age 38
None, None · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Juan |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Panama |
| Naturalization Status | Alien |
| Year of Immigration | 1923 |
| Age at First Marriage | no |
| Father's Birthplace | Panama |
| Mother's Birthplace | Panama |
| Occupation | Oiler |
| Industry | Oil Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Spanish |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birthplace (normalized) | panama |
1940
Cristobal-County, None
Head, age 47
Cristobal-County, None · implied b. ~1893 — 9 household members
| Surname | Martinez |
| Given Name | Juan J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Panama |
| 1935 Residence (County) | Cristobal |
| Occupation | 56 |
| Industry | Keeper |
| Class of Worker | Supply Dept. Oil Handling Plant |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | panama |
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 Juan Martinez across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Juan Martinez
Head · 1940 · age 47 · b. ~1893 · None
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cristobal-County, None
Open full size
1940 US Federal Census — Cristobal-County, None
Page Contents
50 people indexed on this census page (nara:1940:m-t0627-04642-01064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leotta Clarke | 54 | Wife | — | Barbados |
| 2 | Simon Campbell | 59 | Head | Painter | Jamaica |
| 3 | Miriam E Campbell | 53 | Wife | — | Jamaica |
| 4 | Jorge V Francis | 11 | Daughter | — | Panama |
| 5 | Daphne Taylor | 12 | Niece | — | Panama |
| 6 | Joseph N Marshall | 55 | Head | Painter | Barbados |
| 7 | Florence M Marshall | 51 | Wife | — | Panama |
| 8 | Vivienne M Marshall | 20 | Daughter | 56 | Panama |
| 9 | Joseph Marshall | 11 | Son | — | Panama |
| 10 | Albert E Joseph | 67 | Head | Dock Laborer | St. Vincent |
| 11 | Clara J Joseph | 67 | Wife | — | Barbados |
| 12 | John W Jordan | 44 | Head | Oiler | Barbados |
| 13 | Eugenie Jordan | 40 | Wife | — | Antigua |
| 14 | Isaac F Jordan | 15 | Son | — | Panama |
| 15 | Albert J Jordan | 14 | Son | — | Panama |
| 16 | Roderick Jordan | 12 | Son | — | Panama |
| 17 | Lester Jordan | 10 | Son | — | Panama |
| 18 | Junior Jordan | 7 | Son | — | Panama |
| 19 | Hermon Jordan | 3 | Son | — | Panama |
| 20 | Juan J Martinez THIS PERSON | 47 | Head | 56 | Panama |
| 21 | Miseluna Martinez | 34 | Wife | — | Panama |
| 22 | Margarita M Martinez | 14 | Daughter | — | Canal Zone |
| 23 | Manuel Martinez | 11 | Son | — | Canal Zone |
| 24 | Eugenia Martinez | 10 | Daughter | — | Canal Zone |
| 25 | Theodora Martinez | 7 | Son | — | Canal Zone |
| 26 | Adolfo Martinez | 3 | Son | — | Canal Zone |
| 27 | Juan Martinez | 1 | Son | — | Canal Zone |
| 28 | Lidia Martinez | 1 | Daughter | — | Canal Zone |
| 29 | Faustino E Romero | 40 | Head | 56 | Panama |
| 30 | Leonida P Romero | 35 | Wife | — | Panama |
| 31 | Salas D Romero | 19 | Son | 48 | Panama |
| 32 | Bienvenida Romero | 10 | Daughter | — | Panama |
| 33 | Jonathan N Rock | 52 | Head | Laborer | Barbados |
| 34 | Helena V Rock | 52 | Wife | — | Barbados |
| 35 | Mary L Rock | 18 | Daughter | 50 | Panama |
| 36 | James M Rock | 14 | Son | — | Panama |
| 37 | Aubrey Payne | 47 | Head | Laborer | Barbados |
| 38 | Helena Payne | 48 | Wife | — | Barbados |
| 39 | James Fields | 53 | Head | Laborer | Barbados |
| 40 | Frances Fields | 55 | Wife | — | Barbados |
| 41 | Desmond C Boyce | 47 | Head | Laborer | Barbados |
| 42 | Joseph N Garner | 41 | Head | Laborer | Barbados |
| 43 | James E Clarke | 46 | Head | Fireman | Jamaica |
| 44 | Joseph N Delephant | 42 | Head | Laborer | Jamaica |
| 45 | Lewis Prathwaite | 58 | Head | Fireman | Barbados |
| 46 | Gillaspie C Fox | 47 | Head | Laborer | Colombia |
| 47 | James C Layne | 57 | Head | Fireman | Barbados |
| 48 | Beryl O Layne | 34 | Wife | — | Barbados |
| 49 | Mabel Layne | 13 | Daughter | — | Panama |
| 50 | Winston C Layne | 12 | Son | — | Panama |
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)