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Florence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Florence Martin across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & John — first a spouse (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Martin |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1905 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Ralph Martin | Head | — | 40 | ~1900 |
| John Franklin | Other | — | 34 | ~1906 |
| Robert Martin | Son | — | 14 | ~1926 |
| Florence Martin | Spouse | — | 35 | ~1905 |
Census Appearances
1910
X, Maryland
Daughter, age 4
X, Maryland · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Florence C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 15
Baltimore, Maryland · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 24
Baltimore, Maryland · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 35
Baltimore-City-County, Maryland · implied b. ~1905 — 4 household members
| Surname | Martin |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Florence Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and mother Sally Martin (~0.92 confidence) and father James Martin (~0.92 confidence) and mother Elizabeth Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1862
Source father
● Household
· direct · ~0.92
Father
John Martin
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Sally Martin
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
James Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Martin
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Martin
Spouse · 1940 · age 35 · b. ~1905 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01525-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillian G. Kuhn | 48 | Head | Bookkeeper | Virginia |
| 42 | Walter Dombrowski | 50 | Lodger | Clerk | Maryland |
| 43 | William J. Higdon | 44 | Head | Service Mgr. | Maryland |
| 44 | Florence L. Higdon | 38 | Wife | — | Maryland |
| 45 | William H. Jr. Higdon | 16 | Son | — | Maryland |
| 46 | Robert L. Higdon | 15 | Son | — | Maryland |
| 47 | C. Gene Higdon | 12 | Son | — | Maryland |
| 48 | John M. Hadaway | 58 | Uncle | Automobile | Maryland |
| 49 | Walter W. Thelman | 50 | Head | Interior Decorator | Maryland |
| 50 | Clara Thelman | 42 | Wife | — | Virginia |
| 51 | John H. Thelman | 19 | Son | Apprentice Decorator | Maryland |
| 52 | Virginia L. Thelman | 10 | Daughter | — | Maryland |
| 53 | Doris Thelman | 6 | Daughter | — | Maryland |
| 54 | Alice Henson | 66 | Mother in law | — | New York |
| 55 | George B. Cole | 53 | Head | Superintendent | Maryland |
| 56 | Leonora Emma Cole | 54 | Wife | — | Virginia |
| 57 | Lucy Armstrong | 21 | Lodger | — | Maryland |
| 58 | Raymond A. Arnold | 41 | Head | Builder | Maryland |
| 59 | Edna M. Arnold | 37 | Wife | — | Maryland |
| 60 | Carolyn V. Arnold | 14 | Daughter | — | Maryland |
| 61 | William J. League | 60 | Head | Nr Engineer | Maryland |
| 62 | Lillian M. League | 59 | Wife | — | Maryland |
| 63 | Douglas J. League | 28 | Son | Telephone Plant Foreman | Pennsylvania |
| 64 | Dorothy M. League | 26 | Daughter in law | Saleslady | Maryland |
| 65 | William R. Post | 31 | Head | Milk Salesman | Maryland |
| 66 | Elizabeth Post | 29 | Wife | — | Maryland |
| 67 | Elizabeth C. Post | 11 | Daughter | — | Maryland |
| 68 | William R. Post | 9 | Son | — | Maryland |
| 69 | Nancy C. Post | 8 | Daughter | — | Maryland |
| 70 | Richard Lee Post | 6 | Son | — | Maryland |
| 71 | Ralph Martin | 40 | Head | Salesman | Maryland |
| 72 | Florence Martin THIS PERSON | 35 | Wife | — | Maryland |
| 73 | Robert Martin | 14 | Son | — | Maryland |
| 74 | John Franklin | 34 | Lodger | Manager | Maryland |
| 75 | Harold Stewart | 37 | Head | Pay Roll Clerk | Pennsylvania |
| 76 | Ruth Stewart | 38 | Wife | — | Maryland |
| 77 | Margaret Stewart | 13 | Daughter | — | Maryland |
| 78 | Stewart | 71 | Mother | — | Maryland |
| 79 | Jane G. Taylor | 68 | Wife | — | Maryland |
Pedigree Summary
Florence
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)