RF
Robert Foster — 1930 US Census Record
Model Tree available1930 United States Federal Census · Merrimack, New Hampshire
Our Model Tree links this Robert Foster across the 1910, 1920 and 1930 US Censuses in Merrimack, New Hampshire (XGBoost, ~Confirmed), with identified parents Adelaide & Carl — first a son (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Male
Son
Born: New Hampshire
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Merrimack, New Hampshire |
| Surname | Foster |
| Given Name | Robert A. B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Student |
| Township / Ward | Concord 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Carl Foster | Head | — | 47 | ~1883 |
| Adelaide Foster | Other | — | 48 | ~1882 |
| William Foster | Son | — | 18 | ~1912 |
| Robert Foster | Son | — | 21 | ~1909 |
Census Appearances
1910
Merrimack, New …
Son, age 1
Merrimack, New Hampshire · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Merrimack, New …
Son, age 11
Merrimack, New Hampshire · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Son, age 21
Merrimack, New Hampshire · implied b. ~1909 — 4 household members
| Surname | Foster |
| Given Name | Robert A. B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Robert Foster across 3 US Census years (1910, 1920 and 1930) in Merrimack, New Hampshire, using XGBoost record linkage. Identified parents: mother Adelaide Foster (~0.92 confidence) and father Carl Foster (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Adelaide Foster
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Carl Foster
b. ~1884
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Foster
Son · 1930 · age 21 · b. ~1909 · New Hampshire
★ You are viewing this record
Sibling
William Foster
Sibling · 1930 · age 18
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 — Merrimack, New Hampshire
Open full size
1930 US Federal Census — Merrimack, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1304unit:0723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary W. Sambern | 58 | Head | — | New Hampshire |
| 2 | Harry A. Danforth | 54 | Head | Stock Keeper | New Hampshire |
| 3 | Edith F. Danforth | 56 | Wife-H | — | New Hampshire |
| 4 | Anne F. Danforth | 21 | Daughter | Proof Reader | New Hampshire |
| 5 | Annie M. Danforth | 88 | Mother | — | New Hampshire |
| 6 | Isaac M. Savage | 80 | Head | — | Maine |
| 7 | Alice G. Savage | 45 | Daughter | — | Maine |
| 8 | Olive L. Walker | 79 | House Keeper | House Keeper | Canada-English |
| 9 | Jesse M. Holt | 34 | Head | Janitor | New Hampshire |
| 10 | Iva H. Holt | 34 | Wife-H | — | New Hampshire |
| 11 | Pearl N. Holt | 15 | Daughter | — | Maine |
| 12 | Florence A. Holt | 11 | Daughter | — | New Hampshire |
| 13 | Jess M. Jr. Holt | 9 | Son | — | New Hampshire |
| 14 | Hazel I. Holt | 7 | Daughter | — | New Hampshire |
| 15 | Daniel B. Murphy | 30 | Head | Proprietor | New Hampshire |
| 16 | Edith M. Murphy | 30 | Wife-H | — | New Hampshire |
| 17 | Bernard Murphy | 11 | Son | — | New Hampshire |
| 18 | Jean Murphy | 5 | Daughter | — | New Hampshire |
| 19 | Theodore M. Stewart | 27 | Head | Car Man | New Hampshire |
| 20 | Helen J. Stewart | 27 | Wife-H | — | Vermont |
| 21 | Clarence D. Parkhurst | 40 | Head | Section Man | New Hampshire |
| 22 | Irelle Parkhurst | 35 | Wife-H | — | Vermont |
| 23 | Barbara Parkhurst | 6 | Daughter | — | New Hampshire |
| 24 | Harris H. Palmer | 62 | Head | Proprietor | New Hampshire |
| 25 | William R. Gilligan | 63 | Servant | House Keeper | Massachusetts |
| 26 | Carl H. Foster | 47 | Head | Cashier | New Hampshire |
| 27 | Adelaide A. Foster | 48 | Wife-H | — | New Hampshire |
| 28 | Robert A. B. Foster THIS PERSON | 21 | Son | Student | New Hampshire |
| 29 | William H. Foster | 18 | Son | Student | New Hampshire |
| 30 | Bertha M. Watson | 50 | Head-H | Clerk | New Hampshire |
| 31 | Doris W. Stokes | 30 | Lodger | Clerk | New Hampshire |
| 32 | Ruth Pelch | 32 | Lodger | Clerk | New Hampshire |
| 33 | John H. Worthen | 61 | Head | Dentist | New Hampshire |
| 34 | Anne S. Worthen | 59 | Wife-H | Dentist | Massachusetts |
| 35 | Carlton Davis | 35 | Head | Messenger | New Hampshire |
| 36 | Dorothy Davis | 28 | Wife-H | Clerk | New Hampshire |
| 37 | May F. Gibson | 62 | Head | Proprietor | New Hampshire |
| 38 | Daniel Favor | 40 | Son-in-law | Laborer | New Hampshire |
| 39 | Mildred H. Favor | 38 | Daughter | Clerk | New Hampshire |
| 40 | Susan E. Kimball | 47 | Head | Lodging House Keeper | New Hampshire |
| 41 | Richard W. Dow | 73 | Lodger | — | New York |
| 42 | Mabel Harriman | 73 | Lodger | — | New Hampshire |
| 43 | Ellen Metcalf | 84 | Lodger | — | South Carolina |
| 44 | Ettie Sprague | 72 | Lodger | — | Connecticut |
| 45 | Ella Kimball | 77 | Lodger | — | New York |
| 46 | Ralph Chandler | 31 | Lodger | Installer | Massachusetts |
| 47 | Arnold White | 46 | Lodger | — | New Hampshire |
| 48 | John Selig | 22 | Lodger | Tree Surgeon | New Hampshire |
| 49 | Austin Page | 29 | Lodger | Engineer | New Hampshire |
| 50 | Tilly Page | 35 | Lodger | — | Massachusetts |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 2 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)