MH
Mary Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Hoffman across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 14-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hoffman |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thelma Chamblitt | Daughter | — | 10 | ~1930 |
| Rita Krause | Daughter | — | 14 | ~1926 |
| Viola Chamblitt | Daughter | — | 12 | ~1928 |
| Katherine Krause | Daughter | — | 15 | ~1925 |
| Mary Hoffman | Daughter | — | 18 | ~1922 |
| Beatrice Chamblitt | Daughter | — | 1 | ~1939 |
| Shirley Chamblitt | Daughter | — | 4 | ~1936 |
| Anna Chamblitt | Daughter | — | 6 | ~1934 |
| Harry Chamblitt | Head | — | 31 | ~1909 |
| Melvin Hoffman | Other | — | 21 | ~1919 |
| Lester Hoffman | Other | — | ~1940 | |
| Charles Chamblitt | Son | — | 7 | ~1933 |
| Robert Chamblitt | Son | — | 3 | ~1937 |
| Elizabeth Chamblitt | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 14 household members
| Surname | Hoffman |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Mary Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hoffman
Daughter · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Anna Chamblitt
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Krause
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Chamblitt
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Chamblitt
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Chamblitt
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Chamblitt
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Chamblitt
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Chamblitt
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Krause
Sibling · 1940 · age 15
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
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-t0627-01534-00236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry C Chamblitt | 31 | Head | Glassier | Maryland |
| 42 | Elizabeth M Chamblitt | 36 | Wife | — | Maryland |
| 43 | Viola E Chamblitt | 12 | Daughter | — | Maryland |
| 44 | Thelma B Chamblitt | 10 | Daughter | — | Maryland |
| 45 | Charles K Chamblitt | 7 | Son | — | Maryland |
| 46 | Anna M Chamblitt | 6 | Daughter | — | Maryland |
| 47 | Shirley T Chamblitt | 4 | Daughter | — | Maryland |
| 48 | Robert F Chamblitt | 3 | Son | — | Maryland |
| 49 | Beatrice A Chamblitt | 1 | Daughter | — | Maryland |
| 50 | Katherine W Krause | 15 | Daughter | — | Maryland |
| 51 | Rita T Krause | 14 | Daughter | — | Maryland |
| 52 | Melvin M Hoffman | 21 | Son-in-law | Machinist Helper | Maryland |
| 53 | Mary E Hoffman THIS PERSON | 18 | Daughter | — | Maryland |
| 54 | Lester E Hoffman | 0 | Grandson | — | Maryland |
| 55 | Charles D Williams | 63 | Head | — | Maryland |
| 56 | Mary Williams | 63 | Wife | — | Maryland |
| 57 | Raymond G Williams | 38 | Son | Teamster | Maryland |
| 58 | William M Williams | 27 | Son | Painter | Maryland |
| 59 | Ira C Williams | 22 | Daughter-in-law | — | Maryland |
| 60 | Dora Williams | 2 | Granddaughter | — | Maryland |
| 61 | John Williams | 25 | Grandson | Driver Of Truck | Maryland |
| 62 | Margaret M Lewis | 37 | Head | — | Maryland |
| 63 | Joseph S Lewis | 19 | Son | New Worker | Maryland |
| 64 | Milton Busscher | 29 | Lodger | Runner-Boy | Maryland |
| 65 | Walter E Davis | 38 | Head | Watchman | Maryland |
| 66 | Jennie Bernstein | 52 | Head | — | Russia |
| 67 | Morris C Bernstein | 27 | Son | Clerk | Maryland |
| 68 | Maurice Bernstein | 25 | Son | Salesman | Maryland |
| 69 | Albert F Smith | 30 | Head | Flooring | Maryland |
| 70 | Anna C Smith | 36 | Wife | — | Maryland |
| 71 | Ronald E Smith | 7 | Son | — | Maryland |
| 72 | Smith Jerome G Smith | 4 | Son | — | Maryland |
| 73 | William K Smith | 1 | Son | — | Maryland |
| 74 | Edward F Donkin | 47 | Head | Helper | Maryland |
| 75 | Gertrude B Donkin | 43 | Wife | — | Maryland |
| 76 | Margaret L Donkin | 22 | Daughter | — | Maryland |
| 77 | William J Mclaughlen | 50 | Head | Saloon Keeper | England |
| 78 | Eugenia C Mclaughlen | 51 | Wife | — | Maryland |
| 79 | Mary C Stately | 33 | Sister | — | Maryland |
Related Census Records
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)