AS
Alexander Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Alexander Smith across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Alexander & David — first a son (b.~1891), then head of a 4-person household.
Age 29
b. ~1891
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Smith |
| Given Name | Alexander H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1891 |
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 Alexander | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Son | — | 16 | ~1904 |
| Elizabeth Smith | Spouse | — | 56 | ~1864 |
| Alexander Smith | Head | — | 59 | ~1861 |
| Alexander Smith | Son | — | 29 | ~1891 |
Census Appearances
1900
Philadelphia, Pennsylvania
Son, age 9
Philadelphia, Pennsylvania · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Sept |
| Birth Year | 1891 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Philadelphia, Pennsylvania
Son, age 18
Philadelphia, Pennsylvania · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 29
Philadelphia, Pennsylvania · implied b. ~1891 — 4 household members
| Surname | Smith |
| Given Name | Alexander H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Alexander Smith across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father Alexander Smith (~0.92 confidence) and father David Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Smith
b. ~1861
Source father
● Household
· direct · ~0.92
Father
David Smith
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alexander Smith
Son · 1920 · age 29 · b. ~1891 · Pennsylvania
★ You are viewing this record
Sibling
John Smith
Sibling · 1920 · age 16
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
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1645unit:0136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Florence Russell | 23 | Wife | — | Pennsylvania |
| 52 | Gertrude Russell | 6 | Daughter | — | Pennsylvania |
| 53 | George Russell | 3 | Son | — | Pennsylvania |
| 54 | John H. Kuechline | 55 | Head | Machinist | Pennsylvania |
| 55 | Margaret J. Kuechline | 58 | Wife | — | Pennsylvania |
| 56 | Alexander Smith | 59 | Head | Policeman | Ireland |
| 57 | Elizabeth Smith | 56 | Wife | — | Ireland |
| 58 | Alexander H. Smith THIS PERSON | 29 | Son | — | Pennsylvania |
| 59 | John C. Smith | 16 | Son | Timekeeper | Pennsylvania |
| 60 | Albert J. Gadd | 51 | Head | Janitor | England |
| 61 | Mamie Gadd | 46 | Wife | Cashier | New Jersey |
| 62 | Albert F. Gadd | 25 | Son | — | Pennsylvania |
| 63 | James J. Coogan | 58 | Head | Superintendent | Pennsylvania |
| 64 | Clara E. Coogan | 46 | Wife | — | Pennsylvania |
| 65 | John J. Deeney | 55 | Head | Laborer | Ireland |
| 66 | Sarah A. Deeney | 41 | Wife | — | Ireland |
| 67 | Anna May Deeney | 19 | Daughter | Bookkeeper | Pennsylvania |
| 68 | Loretta M. Deeney | 17 | Daughter | Stenographer | Pennsylvania |
| 69 | Sarah A. Deeney | 12 | Daughter | — | Pennsylvania |
| 70 | Mary Macmullin | 40 | Boarder | Nurse | Ireland |
| 71 | William H. Hood | 22 | Head | Bookkeeper | Pennsylvania |
| 72 | Lydia B. Hood | 22 | Wife | — | Pennsylvania |
| 73 | George Jackson | 32 | Head | Mechanic | Pennsylvania |
| 74 | Ella Jackson | 30 | Wife | Collector | Pennsylvania |
| 75 | Annie Shank | 53 | Mother-in-law | — | Pennsylvania |
| 76 | Sallie Thompson | 57 | Head | — | Pennsylvania |
| 77 | Joseph Thompson | 33 | Son | Chauffeur | Pennsylvania |
| 78 | Thomas Thompson | 31 | Son | Chauffeur | Pennsylvania |
| 79 | George E. Thompson | 29 | Son | Lieutenant | Pennsylvania |
| 80 | Frank W. Thompson | 21 | Son | Mechanic | Pennsylvania |
| 81 | Rose Thompson | 22 | Daughter | — | Pennsylvania |
| 82 | Betty Thompson | 19 | Daughter | Polisher | Pennsylvania |
| 83 | Catharine Quinn | 24 | Boarder | — | Pennsylvania |
| 84 | Richard Quinn | 24 | Boarder | Shipper | Pennsylvania |
| 85 | Christopher Hartman | 19 | Boarder | Chipper & Caulker | Pennsylvania |
| 86 | Helen Hartman | 19 | Boarder | — | Pennsylvania |
| 87 | Peter Merlie | 55 | Head | — | Italy |
| 88 | Anita Merlie | 45 | Wife | — | New York |
| 89 | James Merlie | 27 | Son | Manager | New Jersey |
| 90 | Fred Merlie | 23 | Son | Machinist | New Jersey |
| 91 | Frank Porrino | 30 | Head | Shoemaker | Italy |
| 92 | Louisa Porrino | 28 | Wife | — | New Jersey |
| 93 | Anita Porrino | 3 | Daughter | — | Pennsylvania |
| 94 | Alfred Porrino | 1 | Son | — | Pennsylvania |
| 95 | Charles Zersa | 38 | Brother-in-law | Shoemaker | New Jersey |
| 96 | Henry A. Kerbel | 46 | Head | Motorman | Pennsylvania |
| 97 | Mary Kerbel | 45 | Wife | — | Pennsylvania |
| 98 | Russell M. Kerbel | 21 | Son | Guard | Pennsylvania |
| 99 | Ann Kerbel | 20 | Daughter-in-law | — | Kansas |
| 100 | Harry M. Kerbel | 16 | Son | — | Pennsylvania |
Pedigree Summary
Alexander + 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 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)