MP
Mary Powers — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Powers across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| 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 |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stenographer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Powers | Daughter | — | 21 | ~1909 |
| Margaret Powers | Daughter | — | 15 | ~1915 |
| John Powers | Head | — | 53 | ~1877 |
| John Rutger | Other | — | 82 | ~1848 |
| Corline Wiegman | Other | — | 25 | ~1905 |
| Laura Wiegman | Other | — | 51 | ~1879 |
| John Powers | Son | — | 18 | ~1912 |
| Walter Powers | Son | — | 12 | ~1918 |
| Mary Powers | Spouse | — | 52 | ~1878 |
Census Appearances
Daughter, age 10
Baltimore, Maryland · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| 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 |
1930
Baltimore, Maryland
Daughter, age 21
Baltimore, Maryland · implied b. ~1909 — 9 household members
| 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 Powers 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 Mary Powers (~0.92 confidence) and mother Lucy Power (~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
Mary Powers
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lucy Power
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Powers
Daughter · 1930 · age 21 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
John Powers
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Powers
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Powers
Sibling · 1930 · 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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
48 people indexed on this census page (ia:1930:15thcensus856unit:0547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mae Myers | 41 | Wife | — | Ohio |
| 2 | Hannah Laura | 63 | Mother-in-law | None | Ohio |
| 3 | George J. Snyder | 41 | Head | Bookkeeper | W. Virginia |
| 4 | Villa G. Snyder | 40 | Wife | Bookkeeper | Ohio |
| 5 | Edward G. Shipley | 31 | Head | Locomotive Eng | Virginia |
| 6 | Eleanor H. Shipley | 35 | Wife | None | Germany |
| 7 | Donald Joseph Shipley | 16 | Step son | None | Maryland |
| 8 | Howard L. Keller | 38 | Head | Retail | Maryland |
| 9 | Margaret F. Keller | 36 | Wife | None | Virginia |
| 10 | Howard L. Keller | 8 | Son | None | Maryland |
| 11 | Miron H. Fox | 42 | Brother-in-law | Service Man | Virginia |
| 12 | Queen Hunter | 51 | Servant | Servant | Virginia |
| 13 | Charles J. Burton | 26 | Head | Helper | S. Carolina |
| 14 | Grace K. Burton | 26 | Wife | Teacher | Maryland |
| 15 | Sue W. Hines | 62 | Head | None | Maryland |
| 16 | Mary W. Hines | 30 | Daughter | Secretary | Maryland |
| 17 | Edward B. Hines | 22 | Son | None | Maryland |
| 18 | Mable C. Blend | 47 | Head | Teacher | New York |
| 19 | Ruth A. Blend | 15 | Daughter | None | New York |
| 20 | Mary L. Libbey | 81 | Mother | None | New York |
| 21 | Katherine Birkhoff | 38 | Head | Keeper | Maryland |
| 22 | Joseph Golden | 34 | Lodger | Electrician | Northern Ireland |
| 23 | Emma Torrance | 20 | Lodger | None | New York |
| 24 | Clyde R. Barr | 20 | Lodger | Mechanic | Pennsylvania |
| 27 | Harry D. Mccubbin | 67 | Head | Auditor | Maryland |
| 28 | Florence M. Mccubbin | 60 | Wife | None | Maryland |
| 29 | Ann R. Kirk | 78 | Aunt | None | Maryland |
| 30 | Carrie Murray | 64 | Sister-in-law | None | Maryland |
| 31 | Mildred L. Shaffer | 26 | Boarder | Teacher | Maryland |
| 32 | Dora Hobbs | 50 | Head | Corsetry | Maryland |
| 33 | Edith G. Hobbs | 35 | Daughter | None | Maryland |
| 34 | Irving C. Brown | 31 | Head | Mech. Engineer | Maryland |
| 35 | Frances L. Brown | 30 | Wife | Secretary | Michigan |
| 36 | Samuel Boone | 71 | Head | Statesman | Maryland |
| 37 | Mollie E. Boone | 63 | Wife | None | Maryland |
| 38 | Margaret L. Gibson | 60 | Sister-in-law | None | Maryland |
| 39 | John C. Powers | 53 | Head | Accountant | Maryland |
| 40 | Mary O. Powers | 52 | Wife | None | Illinois |
| 41 | Mary R. Powers THIS PERSON | 21 | Daughter | Stenographer | Maryland |
| 42 | John C. Powers | 18 | Son | None | Maryland |
| 43 | Margaret F. Powers | 15 | Daughter | None | Maryland |
| 44 | Walter D. Powers | 12 | Son | None | Maryland |
| 45 | John S. Rutger | 82 | Father-in-law | Retired | Maryland |
| 46 | Laura S. Wiegman | 51 | Lodger | Clerk | Maryland |
| 47 | Corline S. Wiegman | 25 | Lodger | Social Worker | Virginia |
| 48 | William Schwartzman | 48 | Head | Com. Salesman | Maryland |
| 49 | Marcella L. Schwartzman | 21 | Wife | Bookkeeper | Maryland |
| 50 | Josephine Jones | 63 | Head | None | Maryland |
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 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)