RB
Robert Blair — 1920 US Census Record
Model Tree available1920 United States Federal Census · Strafford, New Hampshire
Our Model Tree links this Robert Blair across the 1900, 1910 and 1920 US Censuses in Strafford, New Hampshire (XGBoost, ~Confirmed), with identified parents Robert & Mary — first a head (b.~1881), then head of a 4-person household.
Age 39
b. ~1881
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Strafford, New Hampshire |
| Surname | Blair |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Assistant Postmaster |
| Industry | Postal Dept. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Eng. Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1894 |
| Birthplace (normalized) | ireland |
| Occupation | Assistant Postmaster |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1881 |
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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Blair | Head | — | 39 | ~1881 |
| Flora Blair | Spouse | — | 37 | ~1883 |
| Winifred Blair | Daughter | — | 3 | ~1917 |
| Ramona Blair | Daughter | — | 1 | ~1919 |
Census Appearances
1900
Strafford, New …
Son, age 20
Strafford, New Hampshire · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Apr |
| Birth Year | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Shoe Finisher |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Strafford, New …
Head, age 29
Strafford, New Hampshire · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Post Office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Strafford, New …
Head, age 39
Strafford, New Hampshire · implied b. ~1881 — 4 household members
| Surname | Blair |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Assistant Postmaster |
| Industry | Postal Dept. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Eng. Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1894 |
| Birthplace (normalized) | ireland |
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 Blair across 3 US Census years (1900, 1910 and 1920) in Strafford, New Hampshire, using XGBoost record linkage. Identified parents: father Robert Blair (~0.92 confidence) and mother Mary Blair (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Blair
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Mary Blair
b. ~1845
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Blair
Head · 1920 · age 39 · b. ~1881 · New Hampshire
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Strafford, New Hampshire
Open full size
1920 US Federal Census — Strafford, New Hampshire
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1009unit:0327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Denis Mahoney | 78 | Head | None | Ireland |
| 52 | Mary A. Mahoney | 49 | Daughter | None | Ireland |
| 53 | Bridget J. Mahoney | 44 | Daughter | Stitcher | New Hampshire |
| 54 | Katherine Mahoney | 40 | Daughter | Stitcher | New Hampshire |
| 55 | Cyrille Beaudoin | 59 | Head | Salesman | Canada |
| 56 | Mary E. Beaudoin | 54 | Wife | None | Canada |
| 57 | Alice L. Beaudoin | 35 | Daughter | Musician | Canada |
| 58 | Katherine Beaudoin | 22 | Daughter | Musician | New Hampshire |
| 59 | Raymond Beaudoin | 21 | Son | Bookkeeper | New Hampshire |
| 60 | Palma Beaudoin | 19 | Daughter | Bookkeeper | New Hampshire |
| 61 | Muriel B. Beaudoin | 14 | Daughter | None | New Hampshire |
| 62 | Agnes M. Beaudoin | 12 | Daughter | None | New Hampshire |
| 63 | Frank E. Giahen | 30 | Son-in-law | Proprietor | New Hampshire |
| 64 | Albina Giahen | 31 | Daughter | None | New Hampshire |
| 65 | John R. Williamson | 66 | Head | Painter | Pennsylvania |
| 66 | Roy S. Harvey | 40 | Boarder | Foreman | Maine |
| 67 | Fred E. Callahan | 41 | Boarder | Fireman | Massachusetts |
| 68 | Russell Wentworth | 32 | Boarder | Finisher | New Hampshire |
| 69 | Donald L. Young | 30 | Boarder | Bookkeeper | Maine |
| 70 | Herman W. Wood | 72 | Boarder | None | New Hampshire |
| 71 | Phillip W. Stone | 25 | Boarder | Sheet Metal Worker | Rhode Island |
| 72 | Edward Rivers | 55 | Boarder | Heel Nailer | Massachusetts |
| 73 | Arthur Morrison | 38 | Boarder | Salesman | New Hampshire |
| 74 | Chester O. Rhines | 31 | Boarder | Gas Maker | New Hampshire |
| 75 | Herbert E. Smith | 36 | Head | Laborer | New Hampshire |
| 76 | Nellie M. Smith | 34 | Wife | None | New Hampshire |
| 77 | Gladys M. Smith | 14 | Daughter | None | New Hampshire |
| 78 | Doris E. Smith | 12 | Daughter | None | Massachusetts |
| 79 | George H. Smith | 10 | Son | None | Massachusetts |
| 80 | Earl E. Smith | 7 | Son | None | Massachusetts |
| 81 | Harold R. Smith | 6 | Son | None | New Hampshire |
| 82 | Lazaros Stamat | 34 | Head | Retail Merchant | Turkey (Gce) |
| 83 | George Stamat | 34 | Brother | Retail Merchant | Turkey (Gce) |
| 84 | Bessie Stamat | 21 | Sister-in-law | None | Turkey (Gce) |
| 85 | Sarie Stamat | 1 | Niece | None | New Hampshire |
| 86 | Marco Pagida | 53 | Boarder | Salesman | Turkey (Gce) |
| 87 | Mathildy Pagida | 16 | Boarder | None | Turkey (Gce) |
| 88 | S. Shannon Norris | 29 | Head | Foreman | New Hampshire |
| 89 | S. Margaret Norris | 34 | Wife | None | Maine |
| 90 | Robert J. Blair THIS PERSON | 39 | Head | Assistant Postmaster | Ireland |
| 91 | Flora W. Blair | 37 | Wife | None | New Hampshire |
| 92 | Winifred M. Blair | 3 | Daughter | None | New Hampshire |
| 93 | Ramona M. Blair | 1 | Daughter | None | New Hampshire |
| 94 | George E. Beaulieu | 53 | Head | Salesman | New York |
| 95 | Margaret P. Beaulieu | 43 | Wife | None | New Hampshire |
| 96 | Anna G. Samson | 40 | Head | Dressmaker | Maine |
| 97 | Sania Samson | 71 | Mother | None | Sweden |
| 98 | Edwin H. Steaman | 65 | Head | Mason & Plasterer | Massachusetts |
| 99 | Eliza L. Steaman | 30 | Wife | None | Massachusetts |
| 100 | Edwin H. Jr. Steaman | 3 | Son | None | Massachusetts |
Pedigree Summary
Robert
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 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)