1880 census Leitersburg, Washington, Maryland, p 211:
Jno. LAMBERT Self M Male W 68 MD Justice Of The Peace MD IRE
Barbara LAMBERT Wife M Female W 61 MD Keeping House MD MD
David J. LAMBERT Son S Male W 25 MD Laborer MD MD
Martha A. LAMBERT Dau S Female W 23 MD At Home MD MD

1. 2. George P. LAMBERT   b. 19 Feb 1847, Maryland, probably Haggerstown, Washington, Maryland.
2. 3. Mark F. LAMBERT   b. EST 1849, Of Leitersburg, Washington, Maryland.
3. 4. Mary LAMBERT   b. EST 1851, Of Leitersburg, Washington, Maryland.
4. 5. Sophia J. LAMBERT   b. CAL 1849, Maryland, probably Leitersburg, Washington, Maryland.
5. 6. David John LAMBERT   b. CAL 1855, Maryland, probably Leitersburg, Washington, Maryland.
6. 7. Martha A. LAMBERT   b. CAL 1858, Maryland, probably Leitersburg, Washington, Maryland.

1870 census Haggerstown, Washington, Maryland, p 101
G.P. Lambert, M, 23, bir- MD
Ida V. Lambert, F, 20, bir- MD


1880 census Haggerstown, Washington, Maryland, p 338:
George LAMBERT Self W Male W 33 MD Grocery Clerk MD MD
Mary LAMBERT Sister S Female W 29 MD Keeping House MD MD
Blanche LAMBERT Dau S Female W 9 MD MD MD
Mary LAMBERT Dau S Female W 6 MD MD MD
David LAMBERT Son S Male W 4 MD MD MD

George's sister, Mary is probably taking care of the 3 children since George's wife, Ida died 3 years earlier (1877).

1900 census Haggerstown, Washington, Maryland, p 159:
George, head, Feb 1847, bir MD-MD-MD; Mary, wife, Sep 1851, bir MD-Germ-Germ, 2 of 3 children alive at census
(Note all children MD-MD-MD)
Odea (cannot read) B., dau, Aug 1871; Mary, dau, Apr 1874; David, son, Jun 1876; Carrie, dau, Sep 1882; George, son, Oct 1887.

1. 8. Blanche LAMBERT   b. Aug 1871, Maryland, probably Haggerstown, Washington, Maryland.
2. 9. Mary LAMBERT   b. Apr 1874, Maryland, probably Haggerstown, Washington, Maryland.
3. 10. David O. LAMBERT   b. Jun 1876, Maryland, probably Haggerstown, Washington, Maryland.

1. 11. Carrie S. LAMBERT   b. Sep 1882, Maryland, probably Haggerstown, Washington, Maryland.
2. 12. Frederick LAMBERT   b. EST 1885, Of Haggerstown, Washington, Maryland; d. Prob Bef 1900, Of Haggerstown, Washington, Maryland.
3. 13. George P. LAMBERT   b. Oct 1887, Maryland, probably Haggerstown, Washington, Maryland.

1. 14. John L. WOLFINGER   b. CAL 1874, Maryland, probably Chewsville, Washington, Maryland.
2. 15. Albert M. WOLFINGER   b. CAL 1875, Maryland, probably Chewsville, Washington, Maryland.
3. 16. Mary H. WOLFINGER   b. CAL 1876, Maryland, probably Chewsville, Washington, Maryland.
4. 17. Frank S. WOLFINGER   b. CAL 1878, Maryland, probably Chewsville, Washington, Maryland.
5. 18. Lawson H. WOLFINGER   b. EST 1880, Of Chewsville, Washington, Maryland.
6. 19. Marshall A. WOLFINGER   b. EST 1882, Of Chewsville, Washington, Maryland.
7. 20. Daniel W. WOLFINGER   b. EST 1884, Of Chewsville, Washington, Maryland.
8. 21. George P. WOLFINGER   b. EST 1886, Of Chewsville, Washington, Maryland.
9. 22. Barbara E. WOLFINGER   b. EST 1888, Of Chewsville, Washington, Maryland.
10. 23. Samuel WOLFINGER   b. EST 1890, Of Chewsville, Washington, Maryland.
11. 24. James S. WOLFINGER   b. EST 1892, Of Chewsville, Washington, Maryland.