MC
Mary Conrad — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lehigh, Pennsylvania
Our Model Tree links this Mary Conrad across the 1900, 1910 and 1920 US Censuses in Lehigh, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1846), then head of a 2-person household.
Age 74
b. ~1846
Female
Head
Born: Pennsylvania
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Lehigh, Pennsylvania |
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | housework |
| Industry | at home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Housework |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1846 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Conrad | Head | — | 74 | ~1846 |
| Goldie Conrad | Daughter | — | 32 | ~1888 |
Census Appearances
1900
Lehigh, Pennsylvania
Head, age 57
Lehigh, Pennsylvania · implied b. ~1843 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Birth Month | June |
| Birth Year | 1843 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Lehigh, Pennsylvania
Head, age 63
Lehigh, Pennsylvania · implied b. ~1847 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lehigh, Pennsylvania
Head, age 74
Lehigh, Pennsylvania · implied b. ~1846 — 2 household members
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | housework |
| Industry | at home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Mary Conrad across 3 US Census years (1900, 1910 and 1920) in Lehigh, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conrad
Head · 1920 · age 74 · b. ~1846 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Lehigh, Pennsylvania
Open full size
1920 US Federal Census — Lehigh, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1588unit:0714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lamar Stephens | 4 | son | None | Pennsylvania |
| 52 | Virginia Stephens | 5 | daughter | None | Pennsylvania |
| 53 | Ellsworth C. Miller | 34 | head | Lineman | Pennsylvania |
| 54 | Sylvia Miller | 30 | wife | Housework | Pennsylvania |
| 55 | Walter Miller | 16 | son | Armature Winder | Pennsylvania |
| 56 | Paul Miller | 15 | son | Apprentice Barber | Pennsylvania |
| 57 | Francis Reinert | 67 | head | Laborer | Pennsylvania |
| 58 | Sarah Reinert | 63 | wife | Housework | Pennsylvania |
| 59 | Riley Griesemer | 35 | head | Moulder | Pennsylvania |
| 60 | Carrie Griesemer | 30 | wife | Housework | Pennsylvania |
| 61 | Marguerite Griesemer | 13 | daughter | None | Pennsylvania |
| 62 | Edward H. Eckert | 31 | head | Conductor | Pennsylvania |
| 63 | Jennie Eckert | 30 | wife | Housework | Pennsylvania |
| 64 | Bernice Eckert | 3 | daughter | None | Pennsylvania |
| 65 | Winifred Eckert | 1 | daughter | None | Pennsylvania |
| 66 | Herbert Kohler | 46 | head | Carpenter | Pennsylvania |
| 67 | Daisy Kohler | 36 | wife | Housework | Pennsylvania |
| 68 | Mary Conrad THIS PERSON | 74 | head | Housework | Pennsylvania |
| 69 | Goldie Conrad | 32 | daughter | Housework | Pennsylvania |
| 70 | Lizzie Kromer | 66 | head | None | Pennsylvania |
| 71 | Melissa Snoor | 60 | sister | Housework | Pennsylvania |
| 72 | Charles Eaterly | 66 | head | Laborer | Pennsylvania |
| 73 | Malinda Eaterly | 55 | wife | Laundry | Pennsylvania |
| 74 | Charles Eaterly | 32 | son | Chauffeur | Pennsylvania |
| 75 | Harrison A. Sechler | 4 | grandson | None | Pennsylvania |
| 76 | Elmer Fritzinger | 21 | head | Pressman | Pennsylvania |
| 77 | Eva Fritzinger | 17 | wife | Housework | Pennsylvania |
| 78 | Herbert Fritzinger | 0 | son | None | Pennsylvania |
| 79 | Gust Landisfield | 39 | head | Teamster | Pennsylvania |
| 80 | Arthur W. Sheridan | 28 | head | Weaver | Pennsylvania |
| 81 | Ruth Sheridan | 25 | wife | Housework | Pennsylvania |
| 82 | Eugene Sheridan | 8 | son | None | Pennsylvania |
| 83 | George H. Weil | 29 | head | Drop Forger | Pennsylvania |
| 84 | Lottie M. Weil | 28 | wife | Housework | Pennsylvania |
| 85 | Arlene Weil | 1 | daughter | None | Pennsylvania |
| 86 | Frank W. Molitor | 29 | head | Stakfitter | Pennsylvania |
| 87 | Helen Molitor | 26 | wife | Housework | Pennsylvania |
| 88 | Percy Praetorius | 29 | head | Carpenter | Pennsylvania |
| 89 | Minnie Praetorius | 36 | wife | Housework | Pennsylvania |
| 90 | Louis Praetorius | 12 | son | None | Pennsylvania |
| 91 | Anna Praetorius | 6 | daughter | None | Pennsylvania |
| 92 | Catherine Praetorius | 4 | daughter | None | Pennsylvania |
| 93 | George Person | 24 | head | Salesman | Pennsylvania |
| 94 | Mayme Person | 25 | wife | Housework | Pennsylvania |
| 95 | George Jr. Person | 4 | son | None | Pennsylvania |
| 96 | Robert Person | 0 | son | None | Pennsylvania |
| 97 | Charles Tyson | 34 | head | Carpenter | Pennsylvania |
| 98 | Stella Tyson | 32 | wife | Housework | Pennsylvania |
| 99 | Claude Tyson | 12 | son | None | Pennsylvania |
| 100 | Raymond Schreiber | 35 | head | Salesman | Pennsylvania |
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)