Heinrich L. Hamburg came to the United States from Germany with his parents and became a citizen with the naturalization of his father in 1859. Like many German-Americans, he used an English version of his name. After the Civil War war he drifted south to Mobeetie, Texas, near Fort Elliott, where he operated several mercantile stores in the surrounding frontier towns, catering to buffalo hunters and soldiers. Hamburg sometimes was a business partner of Charles Rath, a well-known trader who purchased thousands of buffalo hides and operated stores selling supplies to buffalo hunters. Henry married Mrs Louise [DeVere] Dugan in Texas in 1889. Louise had a daughter from her first marriage that Henry raised as his own. In 1887 Hamburg helped establish the first bank in Canadian, which is the county seat of Hemphill County in the Texas Panhandle. He lived for a few months in Missouri in late 1891, early 1892. After the Panic of 1893, Hamburg went broke and left the Texas Panhandle for New Mexico Territory. Sometime after 1896 he headed to Los Angeles, California, where he was living with his family in June 1900 (1900 US Census). He next made his home in the Huachuca Mountains in Cochise County, Arizona Territory, giving his name to a settlement there. Henry Hamburg was a neighbor and "drinking buddy" of Charles Biederman. Henry was living at Hamburg, Hereford District, with his family in May 1910 (1910 US Census). Hamburg traded his Ramsey Canyon homestead to Otto Berner and kept a house at Hamburg. Henry went to Tucson for medical treatment and died three days after he arrived at 928 N. First Avenue. After his death, Louise moved to Los Angeles, California, where she remained until she died and was buried in Forest Lawn Cemetery.
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Children:
- (step) Lelia M. (Apr. 1884, TX)
- Helena (Apr. 1892, MO)
- Henry Lionel (1895, NM-1964, CA; married Catherine Agate, born 1896, UT)

(Thanks to Bill Green for sharing important information for Hamburg's biography)