MP
Mary Power — 1920 US Census Record
Model Tree available1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Power across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1910), then head of a 7-person household.
Age 10
b. ~1910
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Power |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1910 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Power | Head | — | 45 | ~1875 |
| Mary Power | Daughter | — | 10 | ~1910 |
| Margaret Power | Daughter | — | 5 | ~1915 |
| Lucy Power | Spouse | — | 40 | ~1880 |
| John Sutton | Other | — | 72 | ~1848 |
| John Power | Son | — | 8 | ~1912 |
| Walter Power | Son | — | 1 | ~1919 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1910 — 7 household members
| Surname | Power |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Daughter, age 21
Baltimore, Maryland · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 31
Baltimore-City-County, Maryland · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Machine Oper. |
| Industry | Slip Cover Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 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 Power across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Power (~0.92 confidence) and father John Powers (~0.92 confidence) and mother Lucy Power (~0.92 confidence) and mother Mary Powers (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Power
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Powers
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Lucy Power
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Powers
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Power
Daughter · 1920 · age 10 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Margaret Power
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Power
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Power
Sibling · 1920 · age 8
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
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu658unit:0138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary R Loving | 56 | wife | None | Virginia |
| 52 | Russell Loving | 12 | son | None | Virginia |
| 53 | C. Walter Whiteford | 39 | head | Proprietor | Maryland |
| 54 | Rosa Whiteford | 40 | wife | None | Maryland |
| 55 | Walter H Whiteford | 16 | son | None | Maryland |
| 56 | Mary E Whiteford | 13 | daughter | None | Maryland |
| 57 | Hardy W Yunn | 53 | head | Salesman | Maryland |
| 58 | Minnie E Yunn | 52 | wife | None | Maryland |
| 59 | Marion Fox | 35 | head | Cabel Man | Virginia |
| 60 | Louis Fox | 25 | brother | Salesman | Virginia |
| 61 | Minnie Fox | 59 | mother | None | Virginia |
| 62 | Howard G Heller | 27 | lodger | Manager | Maryland |
| 63 | Margaret Heller | 26 | sister | None | Virginia |
| 64 | Suzanna Carter | 40 | servant | Servant | Virginia |
| 65 | William D. Hines | 54 | head | Engineer | Maryland |
| 66 | Sue W. Hines | 52 | wife | None | Maryland |
| 67 | Mary Hines | 20 | daughter | None | Maryland |
| 68 | Dorsey Hines | 17 | son | None | Maryland |
| 69 | Edward Hines | 12 | son | None | Maryland |
| 70 | Mary Harwood | 24 | boarder | Stenographer | Maryland |
| 71 | Rosa Barton | 43 | head | Treasurer | Maryland |
| 72 | Anna T. P. Barton | 45 | wife | None | Maryland |
| 73 | Louisa C. Polk | 69 | mother-in-law | None | Maryland |
| 74 | William C. Polk | 37 | brother-in-law | Helper | Maryland |
| 75 | Harry S Mccubbin | 56 | head | Clerk | Maryland |
| 76 | Florence Mccubbin | 55 | wife | None | Maryland |
| 77 | Annie Murray | 54 | sister-in-law | None | Maryland |
| 78 | Rosa E. Helden | 50 | head | Saleswoman | Maryland |
| 79 | Sophie Hinoof | 50 | boarder | Secretary | Germany |
| 80 | Charles Wilson | 20 | lodger | Mechanic | Ohio |
| 81 | Roland Wilson | 25 | lodger | Salesman | Ohio |
| 82 | Edith Helden | 25 | daughter | Clerk | Maryland |
| 83 | Sadie L Thompson | 45 | lodger | None | Florida |
| 84 | Charles Thompson | 16 | son | None | North Carolina |
| 85 | John A. Power | 45 | head | Clerk | United States |
| 86 | Lucy Power | 40 | wife | None | Illinois |
| 87 | Mary E Power THIS PERSON | 10 | daughter | None | Maryland |
| 88 | John C. Power | 8 | son | None | Maryland |
| 89 | Margaret J Power | 5 | daughter | None | Maryland |
| 90 | Walter D Power | 1 | son | None | Maryland |
| 91 | John F Sutton | 72 | father-in-law | Clerk | United States |
| 92 | William E Heald | 47 | head | Superintendent | Maryland |
| 93 | Harriet Heald | 40 | wife | None | Maryland |
| 94 | Harriet Heald | 10 | daughter | None | Maryland |
| 95 | Charles A King | 45 | head | Manager | Maryland |
| 96 | Emma D King | 47 | wife | None | Germany |
| 97 | Charles A King | 19 | son | Engineer | Maryland |
| 98 | Eugene Fullerton | 58 | head | Agent | Ireland |
| 99 | Mary Fullerton | 58 | wife | None | Maryland |
| 100 | Eugene Fullerton | 33 | son | Salesman | Germany |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)