BA
Betty Allen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Betty Allen across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 6
b. ~1924
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Allen |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 | ~1924 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Walter Allen | Head | — | 33 | ~1897 |
| Odessa Allen | Daughter | — | 18 | ~1912 |
| Mildred Allen | Daughter | — | 24 | ~1906 |
| Betty Allen | Daughter | — | 6 | ~1924 |
| Thomas Allen | Son | — | 4 | ~1926 |
| Walter Allen | Son | — | 10 | ~1920 |
| Dorothy Allen | Spouse | — | 32 | ~1898 |
| Dorothy Allen | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1924 — 8 household members
| Surname | Allen |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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
Daughter, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Bernice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Betty Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Allen
Daughter · 1930 · age 6 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Dorothy Allen
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Allen
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odessa Allen
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Allen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Allen
Sibling · 1930 · age 24
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:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Davis | 48 | Head | Salesman | Colorado |
| 52 | Irene Davis | 49 | Wife | — | Virginia |
| 53 | Franklin J. Groome | 23 | Step Son | P.O. Clerk | Virginia |
| 54 | Paul Roger Groome | 21 | Step Son | Truck Driver | Virginia |
| 55 | Mirt Groome | 19 | Boarder | Cutter | Maryland |
| 56 | Elton D. Dougherty | 33 | Head | Police | Colorado |
| 57 | Beatrice Dougherty | 24 | Wife | — | Maryland |
| 58 | Shirley Dougherty | 4 | Daughter | — | Maryland |
| 59 | Everett Dougherty | 4 | Son | — | Maryland |
| 60 | Walter Allen | 33 | Head | Salesman | Maryland |
| 61 | Dorothy Allen | 32 | Wife | Saleslady | Maryland |
| 62 | Walter Allen | 10 | Son | — | Maryland |
| 63 | Dorothy Allen | 8 | Daughter | — | Maryland |
| 64 | Betty Allen THIS PERSON | 6 | Daughter | — | Maryland |
| 65 | Thomas Allen | 4 | Son | — | Maryland |
| 66 | Odessa Allen | 18 | Daughter | Mail Carrier | Maryland |
| 67 | Mildred Allen | 24 | Daughter | — | Maryland |
| 68 | Raymond Blankenship | 21 | Head | Usher | Virginia |
| 69 | Irene Blankenship | 20 | Wife | Seamstress | Maryland |
| 70 | Harry Bohn | 34 | Head | Brush Maker | Maryland |
| 71 | Nellie Bohn | 32 | Wife | — | Maryland |
| 72 | Bessie Bohn | 2 | Daughter | — | Maryland |
| 73 | Harry J. Bohn | 0 | Son | — | Maryland |
| 74 | Thomas Pown | 47 | Head | Switchboard | Maryland |
| 75 | Clementine Pown | 45 | Wife | — | Maryland |
| 76 | Thomas Boxer | 50 | Head | Checker | Pennsylvania |
| 77 | Elizabeth Boxer | 50 | Wife | — | Virginia |
| 78 | Frank A. Boxer | 23 | Son | Yard Clerk | Maryland |
| 79 | Emily Boxer | 21 | Daughter-in-law | — | Maryland |
| 80 | Howard R. Mason | 46 | Head | Ins. Agent | Maryland |
| 81 | Helen M. Mason | 33 | Wife | — | Maryland |
| 82 | Helen Mason | 3 | Daughter | — | Maryland |
| 83 | Howard R. Jr. Mason | 2 | Son | — | Maryland |
| 84 | Frank H. Gibson | 31 | Head | Manager | Maryland |
| 85 | Irene A. Gibson | 28 | Wife | — | New Jersey |
| 86 | Paul Uhlman | 21 | Head | Salesman | Maryland |
| 87 | Bernice Uhlman | 21 | Wife | — | Maryland |
| 88 | Harry J. Sellers | 39 | Head | Brush Maker | Maryland |
| 89 | Clara Sellers | 37 | Wife | — | Maryland |
| 90 | Janet Sellers | 9 | Daughter | — | Maryland |
| 91 | Flossie M. Sellers | 8 | Daughter | — | Maryland |
| 92 | Harry J. Sellers | 5 | Son | — | Maryland |
| 93 | Amos Crawford | 60 | Head | Dyer | Maryland |
| 94 | Jennie Crawford | 51 | Wife | — | Pennsylvania |
| 95 | Guy Gordon | 32 | Boarder | Taxi Driver | Pennsylvania |
| 96 | Margaret Gordon | 32 | Boarder | — | Maryland |
| 97 | Joseph P. Kelly | 50 | Boarder | Riveter | Maryland |
| 98 | Guy Garson | 5 | Nephew | — | Maryland |
| 99 | Kate Garson | 3 | Nephew | — | Maryland |
| 100 | Guy Garson | 2 | Nephew | — | 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)