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Mary Wolfe — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Maryland
Our Model Tree links this Mary Wolfe across the 1920, 1930 and 1940 US Censuses in Montgomery, Maryland (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1919), then head of a 4-person household.
Age 11
b. ~1919
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Maryland |
| Surname | Wolfe |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 | Capital View |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Wolfe | Son | — | 13 | ~1917 |
| Mary Wolfe | Daughter | — | 11 | ~1919 |
| William Wolfe | Head | — | 51 | ~1879 |
| Sybelle Wolfe | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Montgomery, Maryland
Daughter, age 1
Montgomery, Maryland · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| 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
Montgomery, Maryland
Daughter, age 11
Montgomery, Maryland · implied b. ~1919 — 4 household members
| Surname | Wolfe |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 |
Daughter, age 21
Montgomery-County, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Capitol View |
| 1935 Residence (County) | Montgomery |
| Occupation | Nurse |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 340 |
| Highest Grade | C-2 |
| 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 Wolfe across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Wolfe (~0.92 confidence) and father William Wolf (~0.92 confidence) and mother Sybelle Wolf (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Wolfe
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Wolf
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Sybelle Wolf
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Wolfe
Daughter · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
George Wolfe
Sibling · 1930 · age 13
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 — Montgomery, Maryland
Open full size
1930 US Federal Census — Montgomery, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus877unit:0523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Conway Williams Bonzano | 14 | Son | — | Maryland |
| 2 | Louise E Bonzano | 12 | Daughter | — | Maryland |
| 3 | Mary E Bonzano | 11 | — | — | Maryland |
| 4 | Ada G Bonzano | 8 | — | — | Maryland |
| 5 | Gordon H Bonzano | 4 | — | — | Maryland |
| 6 | Robert A Kane | 48 | Head | Printer | Virginia |
| 7 | Ruth V Kane | 42 | Wife | — | Virginia |
| 8 | Sarah J Kane | 67 | Mother | — | Virginia |
| 9 | Fred W Stepney | 28 | Boarder | Printer | Ohio |
| 10 | Paul E Libscord | 58 | Head | — | Virginia |
| 11 | Abbey E Libscord | 27 | Sister | Laborer | District of Columbia |
| 12 | William H Chapman | 30 | Head | Machinist | Maryland |
| 13 | Esther L Chapman | 26 | Wife | — | District of Columbia |
| 14 | Mary O Chapman | 7 | Daughter | — | Virginia |
| 15 | Robert W Chapman | 5 | Son | — | Virginia |
| 16 | Clarence O Chapman | 2 | Son | — | Maryland |
| 17 | Esther Chapman | 0 | Daughter | — | Maryland |
| 18 | Charles J Cooley | 61 | Head | — | Maryland |
| 19 | Mary E Cooley | 55 | Wife | — | Maryland |
| 20 | Annie P Cooley | 21 | Daughter | — | Maryland |
| 21 | Robert J Cooley | 27 | Son | Truck Driver | Virginia |
| 22 | Annie J Cooley | 2 | Daughter | — | Maryland |
| 23 | Harry H Wolfe | 46 | Head | Machinist | Maryland |
| 24 | Daisy V Wolfe | 47 | Wife | — | Maryland |
| 25 | Emma Wolfe | 19 | Daughter | Operator | Virginia |
| 26 | Charles H Wolfe | 15 | Son | — | Maryland |
| 27 | Helen G Wolfe | 12 | Daughter | — | Maryland |
| 28 | Harry J Wolfe | 6 | Son | — | Maryland |
| 29 | Leslie N Cosgrove | 20 | Head | Machinist | Maryland |
| 30 | Clara V Cosgrove | 17 | Daughter | — | Maryland |
| 31 | William N Wolfe | 51 | Head | Clerk | Maryland |
| 32 | Sybelle A Wolfe | 48 | Wife | — | Maryland |
| 33 | George E Wolfe | 13 | Son | — | Maryland |
| 34 | Mary S Wolfe THIS PERSON | 11 | Daughter | — | Maryland |
| 35 | Joseph H Pabbitt | None | Head | Carpenter | Maryland |
| 36 | Blanche V Pabbitt | 31 | Wife | — | Virginia |
| 37 | Evelyn M Pabbitt | 10 | Daughter | — | Maryland |
| 38 | Kathryn L Pabbitt | 3 | Daughter | — | Maryland |
| 39 | Charles P Atwood | 35 | Head | Machinist | Maryland |
| 40 | Eleanor B Atwood | 29 | Wife | — | Indiana |
| 41 | Carmel J Atwood | 6 | Daughter | — | Maryland |
| 42 | Katherine L Atwood | 4 | Daughter | — | Maryland |
| 43 | Mary J Atwood | 2 | Daughter | — | Maryland |
| 44 | Harvey H Triplett | 27 | Head | Laborer | Virginia |
| 45 | Hilda V Triplett | 19 | Wife | — | Virginia |
| 46 | Charles E Triplett | 2 | Son | — | Maryland |
| 47 | Noble A Cleaver | 39 | Head | — | Virginia |
| 48 | Dorothy Cleaver | 13 | Daughter | — | Virginia |
| 49 | Carl H Hanson | 52 | Head | Specialist | Wisconsin |
| 50 | Theresa M Hanson | 45 | Wife | — | Wisconsin |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)