MF
Mary Foster — 1930 US Census Record
Model Tree available1930 United States Federal Census · Caroline, Maryland
Our Model Tree links this Mary Foster across the 1910, 1920 and 1930 US Censuses in Caroline, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a daughter (b.~1911), then head of a 4-person household.
Age 19
b. ~1911
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Caroline, Maryland |
| Surname | Foster |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Servant |
| Township / Ward | Fourth Election District Preston |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Mary Foster | Daughter | — | 19 | ~1911 |
| Charles Foster | Head | — | 58 | ~1872 |
| Charles Foster | Son | — | 15 | ~1915 |
| Lillie Foster | Spouse | — | 59 | ~1871 |
Census Appearances
1910
Caroline, Maryland
Daughter, age 1
Caroline, Maryland · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Caroline, Maryland
Daughter, age 10
Caroline, Maryland · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| 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
Caroline, Maryland
Daughter, age 19
Caroline, Maryland · implied b. ~1911 — 4 household members
| Surname | Foster |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Foster across 3 US Census years (1910, 1920 and 1930) in Caroline, Maryland, using XGBoost record linkage. Identified parents: father Charles Foster (~0.92 confidence) and father Chas Foster (~0.92 confidence) and father Clay Foster (~0.92 confidence) and mother Lillie Foster (~0.92 confidence) and mother Lillie Foster (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Foster
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Chas Foster
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Clay Foster
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Lillie Foster
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Lillie Foster
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Foster
Daughter · 1930 · age 19 · b. ~1911 · Maryland
★ You are viewing this record
Sibling
Charles Foster
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 — Caroline, Maryland
Open full size
1930 US Federal Census — Caroline, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:0985)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Morton Adams | 55 | Head | Laborer | Maryland |
| 52 | Edward Adams | 15 | Son | Laborer | Maryland |
| 53 | Hester Adams | 13 | Daughter | — | Maryland |
| 54 | Luther A Friend | 42 | Head | Farmer | Maryland |
| 55 | Annie R Friend | 39 | Wife | Servant | Maryland |
| 56 | James E Friend | 13 | Son | — | Maryland |
| 57 | Selghman Stevens | 66 | Head | Farmer | Maryland |
| 58 | Mary Stevens | 56 | Wife | — | Maryland |
| 59 | Carlton Stevens | 28 | Son | Laborer | Maryland |
| 60 | Marguerite Stevens | 26 | Daughter | — | Maryland |
| 61 | Charles E Chamberlain | 72 | Head | Laborer | Maryland |
| 62 | Mary M Chamberlain | 60 | Wife | — | New Jersey |
| 63 | Eliza A Friend | 73 | Sister | — | Maryland |
| 64 | William D Chezum | 38 | Head | Farmer | Maryland |
| 65 | Florence E Chezum | 35 | Wife | — | Maryland |
| 66 | Edna M Chezum | 16 | Daughter | — | Maryland |
| 67 | Effie M Chezum | 14 | Daughter | — | Maryland |
| 68 | Marguerite G Chezum | 11 | Daughter | — | Maryland |
| 69 | Cordelia M Chezum | 8 | Daughter | — | Maryland |
| 70 | Anna Bell L Chezum | 4 | Daughter | — | Maryland |
| 71 | William H Chezum | 50 | Head | Fisherman | Maryland |
| 72 | Minnie Chezum | 44 | Wife | — | Maryland |
| 73 | John H Chezum | 23 | Son | Laborer | Maryland |
| 74 | Charles H Chezum | 19 | Son | Laborer | Maryland |
| 75 | Bernard Chezum | 9 | Son | — | Maryland |
| 76 | Robert Chezum | 7 | Son | — | Maryland |
| 77 | Doris Chezum | 4 | Daughter | — | Maryland |
| 78 | Lawrence Chezum | 2 | Son | — | Maryland |
| 79 | William R Dulin | 53 | Head | Farmer | Maryland |
| 80 | Cora A Dulin | 53 | Wife | — | Maryland |
| 81 | Francis C Dulin | 28 | Son | Laborer | Maryland |
| 82 | Clarence Malcolm Dulin | 16 | Son | Laborer | Maryland |
| 83 | Hulda Duggin | 52 | Head | Laundress | Maryland |
| 84 | Earl Duggin | 15 | Son | Laborer | Maryland |
| 85 | Josephine Newcomb | 65 | Head | Servant | Maryland |
| 86 | Rudolph Juroska | 48 | Head | Farmer | Czechoslovakia |
| 87 | Agnes Juroska | 48 | Wife | — | Czechoslovakia |
| 88 | Joseph Juroska | 18 | Son | Laborer | Pennsylvania |
| 89 | Anthony Juroska | 11 | Son | — | Pennsylvania |
| 90 | John Handy | 55 | Head | Farmer | Maryland |
| 91 | Grace E Handy | 53 | Wife | — | Maryland |
| 92 | Ruth Handy | 23 | Daughter | — | Maryland |
| 93 | Ellsworth Handy | 21 | Son | Laborer | Maryland |
| 94 | Louis Handy | 15 | Son | Laborer | Maryland |
| 95 | Allen Handy | 11 | Son | — | Maryland |
| 96 | Edward Gardner | 34 | Head | Laborer | Virginia |
| 97 | Charles E Foster | 58 | Head | Farmer | Maryland |
| 98 | Lillie Foster | 59 | Wife | — | Maryland |
| 99 | Charles Foster | 15 | Son | Laborer | Maryland |
| 100 | Mary M Foster THIS PERSON | 19 | Daughter | Servant | Maryland |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 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)