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Frank Alexander — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Frank Alexander across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Alexander |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Martha Alexander | Daughter | — | 3 | ~1927 |
| Margaret Alexander | Daughter | — | 1 | ~1929 |
| Sarah Alexander | Spouse | — | 33 | ~1897 |
| Frank Alexander | Son | — | 11 | ~1919 |
| Frank Alexander | Head | — | 35 | ~1895 |
| Alice Alexander | Daughter | — | 7 | ~1923 |
| Thomas Alexander | Son | — | 9 | ~1921 |
Census Appearances
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 7 household members
| Surname | Alexander |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 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
Head, age 20
Baltimore-City-County, Maryland · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexandria |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | Crown Cork Seal |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No 8 |
| 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 Frank Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Alexander
Son · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Martha Alexander
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Alexander
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Alexander
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Alexander
Sibling · 1930 · age 7
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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus864unit:0061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah D Tornoff | 42 | Wife | — | Maryland |
| 2 | George Tornoff | 16 | Son | Nurse | Maryland |
| 3 | Alvin Tornoff | 12 | Son | Printer | Maryland |
| 4 | Frank Tornoff | 22 | Boarder | — | Maryland |
| 5 | William Moore | 40 | Head | Salesman | Maryland |
| 6 | Ruth Moore | 31 | Wife | — | Maryland |
| 7 | William R Moore | 9 | Son | — | Maryland |
| 8 | Dorothy Moore | 7 | Daughter | — | Maryland |
| 9 | Amelia Cousins | 40 | Head | — | District of Columbia |
| 10 | William Cousins | 20 | Son | — | Maryland |
| 11 | Maurice Cousins | 14 | Son | — | Maryland |
| 12 | Amelia Cousins | 12 | Daughter | — | Maryland |
| 13 | Myrtle Cousins | 10 | Daughter | — | Maryland |
| 14 | Howard S White | 41 | Head | Bookkeeper | Maryland |
| 15 | Ruth White | 37 | Wife | — | Maryland |
| 16 | Howard M White | 10 | Son | — | Maryland |
| 17 | Albert Sajony | 63 | Head | — | Saxony |
| 18 | Augusta Sajony | 57 | Wife | Manager | Maryland |
| 19 | Albert Sajony | 39 | Head | — | Maryland |
| 20 | Marie Sajony | 33 | Wife | Clerk | Maryland |
| 21 | Alice Sajony | 15 | Daughter | — | Maryland |
| 22 | Albert Sajony | 13 | Son | — | Maryland |
| 23 | Virginia Sajony | 11 | Daughter | — | Maryland |
| 24 | Marie Sajony | 9 | Daughter | — | Maryland |
| 25 | William Sajony | 7 | Son | — | Maryland |
| 26 | Mildred Sajony | 4 | Daughter | — | Maryland |
| 27 | Robert Sajony | 31 | Brother | Painter | Maryland |
| 28 | Edward Sajony | 28 | Brother | — | Maryland |
| 29 | Joseph Sajony | 23 | Head | Clerk | Maryland |
| 30 | Helen Sajony | 23 | Wife | — | Maryland |
| 31 | Joseph Sajony | 57 | Head | — | Maryland |
| 32 | Margaret Sajony | 57 | Wife | Waitress | Maryland |
| 33 | Amelia Sajony | 74 | Cousin | — | Maryland |
| 34 | Frank Alexander | 35 | Head | Salesman | Maryland |
| 35 | Sarah Alexander | 33 | Wife | — | Maryland |
| 36 | Frank Alexander THIS PERSON | 11 | Son | — | Maryland |
| 37 | Thomas Alexander | 9 | Son | — | Maryland |
| 38 | Alice Alexander | 7 | Daughter | — | Maryland |
| 39 | Martha Alexander | 3 | Daughter | — | Maryland |
| 40 | Margaret Alexander | 1 | Daughter | — | Maryland |
| 41 | John Fitzpatrick | 45 | Head | Foreman | Pennsylvania |
| 42 | Katherine Fitzpatrick | 43 | Wife | — | Pennsylvania |
| 43 | Katherine Fitzpatrick | 18 | Daughter | Nurse | Maryland |
| 44 | John Fitzpatrick | 17 | Son | — | Maryland |
| 45 | William Fitzpatrick | 15 | Son | — | Maryland |
| 46 | George Arnold | 50 | Head | Carpenter | Maryland |
| 47 | Rose Arnold | 52 | Wife | — | Pennsylvania |
| 48 | Melvin H Arnold | 20 | Son | Bookkeeper | Maryland |
| 49 | Milford Arnold | 19 | Son | Helper | Maryland |
| 50 | Catherine Arnold | 13 | Daughter | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)