AS
Annie Simpson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this Annie Simpson across the 1920, 1930 and 1940 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 4-person household.
Age 49
b. ~1871
Female
Spouse
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Simpson |
| Given Name | Annie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Ballenger District |
| Est. Birth Year | ~1871 |
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 1920 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| Herman Simpson | Son | — | 19 | ~1901 |
| Ridgley Simpson | Head | — | 54 | ~1866 |
| David Simpson | Son | — | 23 | ~1897 |
| Annie Simpson | Spouse | — | 49 | ~1871 |
Census Appearances
1920
Frederick, Maryland
Spouse, age 49
Frederick, Maryland · implied b. ~1871 — 4 household members
| Surname | Simpson |
| Given Name | Annie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| 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
Frederick, Maryland
Spouse, age 59
Frederick, Maryland · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Anna G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Spouse, age 69
Frederick-County, Maryland · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | A. Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Housekeeper |
| Industry | Own Home |
| Class of Worker | H |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | 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 Annie Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Annie Simpson
Spouse · 1920 · age 49 · b. ~1871 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
38 people indexed on this census page (ia:1920:14thcensusofpopu673unit:0456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John F. Bowers | 47 | Head | Laborer | Maryland |
| 52 | Gertrude Bowers | 44 | Wife | Washing | Maryland |
| 53 | Marguerite Bowers | 14 | Daughter | — | Maryland |
| 54 | Catherine Bowers | 11 | Daughter | — | Maryland |
| 55 | Elizabeth Bowers | 9 | Daughter | — | Maryland |
| 56 | Ruth Bowers | 3 | Daughter | — | Maryland |
| 57 | Woodrow W. Bowers | 1 | Son | — | Maryland |
| 58 | Ridgley D. Simpson | 54 | Head | Farmer | Maryland |
| 59 | Annie M. Simpson THIS PERSON | 49 | Wife | — | Maryland |
| 60 | David D. Simpson | 23 | Son | Clerk | Maryland |
| 61 | Herman R. Simpson | 19 | Son | Laborer | Maryland |
| 62 | Charles E. Miller | 41 | Head | Farmer | Maryland |
| 63 | Bertie M. Miller | 39 | Wife | — | Maryland |
| 64 | Leslie E. Miller | 15 | Son | Laborer | Maryland |
| 65 | John M. Miller | 14 | Son | Laborer | Maryland |
| 66 | Augustus J. Miller | 12 | Son | — | Maryland |
| 67 | Charles M. Miller | 10 | Son | — | Maryland |
| 68 | Oliver H. Miller | 7 | Son | — | Maryland |
| 69 | Oliver P. Devilbiss | 69 | Head | — | Maryland |
| 70 | Alice E. Devilbiss | 69 | Wife | — | Maryland |
| 71 | Annie H. Rosenberry | 32 | Daughter | — | Maryland |
| 72 | Willie N. Rosenberry | 7 | Grandson | — | Maryland |
| 73 | Helen F. Rosenberry | 5 | Granddaughter | — | Maryland |
| 74 | Ruth N. Fagan | 17 | Servant | Servant | Maryland |
| 75 | Lester W. Meinhart | 26 | Head | Laborer | Maryland |
| 76 | Rebecca M. Meinhart | 22 | Wife | — | Maryland |
| 77 | Howard M. Meinhart | 2 | Son | — | Maryland |
| 78 | Lester W. Jr. Meinhart | None | Son | — | Maryland |
| 79 | Maggie Ridgley | 65 | Servant | Servant | Maryland |
| 80 | John W. Zimmerman | 59 | Head | — | Maryland |
| 81 | Ella L. Zimmerman | 57 | Wife | — | Maryland |
| 82 | John W. Jr. Zimmerman | 31 | Head | Farmer | Maryland |
| 83 | Flora H. Zimmerman | 23 | Wife | — | Maryland |
| 84 | Anna M. Derr | 69 | Head | Farmer | Maryland |
| 85 | Annie L. Derr | 32 | Daughter | — | Maryland |
| 86 | Susie S. Derr | 30 | Daughter | Teacher | Maryland |
| 87 | Lena G. Derr | 28 | Daughter | Teacher | Maryland |
| 88 | David G. Derr | 20 | Son | Farmer | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)