Cambridge Bone China, Made in England, "Dogwood Tree". 
Bing & Grondahl, Denmark, 1962-1970, "Seagull" "#3003".
Booths Ltd, England, 1912+, "Peony".
T&R Boote, Waterloo Potteries, Burslem, England, 1890-1906, "Castelar".
Berkshire Fine China, Occupied Japan, c.1945. 
William Adams & Sons Ltd, Tunstall & Stoke, member of Wedgewood, Staffordshire, England, 1950+, "Bellingrath Gardens Grotto, Mobile, AL". 
William Adams & Sons Ltd, Tunstall & Stoke, member of Wedgewood, Staffordshire, England,  1950+, Jonroth was the importer, "Jefferson Davis Shrine".
William Adams & Sons Ltd, Tunstall & Stoke, member of Wedgewood, Staffordshire, England, 1950+, Jonroth was the importer, "Abraham Lincoln Museum, Springfield, IL"
Bing & Grondahl, Denmark, 1952-1958, "30".
Bridgewood & Son, England, "Ye Old Indian Tree", #"5800".
Du-Co Kunst Rehau, Bavaria.
Essex English, Staffordshire, England, modern, "Hydrangea".. 
Herend, Hungary, 1980's.  Handpainted and numbered. 
Ebeling & Reuss, made in England, modern.
Possible it's La Francaise, made by French China Co, 1916-1929?  Personally I chuckle when I see this type of pat on ebay with a starting price of $20.  Their value is about $5.
Made in Carlsbad part of Cechoslovakia for Benjamin F. Hunt & Sons, a Boston China Importer, 1907-1908.
John Edwards, Staffordshire Potteries, Fenton, England, 1894, "Keswick", impressed "S" with "5" and illegible # under the 5
Oscar & Edgar Gutherz, Austria, 1899-1918,  "#2649" pattern.
Lancaster, Hanley, England, 1906-1954, "The Jolly Drover".
1897+
1870-1890, "Creswell".
& Sons, 1891-1896, "Hamilton".
& Sons, 1891-1896, "Premiere Blue/Grey'".  This pattern was my very first pat. in 1980.
Franciscan Ware, Mcbean, Gladding & Co, Glendale, California, 1939-1947.   
1891-1930, "Kelvin". This has a blue F, impressed circle (indicates the workmen), and impressed fleur de lis.
1890, "Chatham".
Maddock & Co., Burslem, England, 1906, the ohly mark with "Maddock & Co" (without sons).
1912+, "Amiens"
John Maddock- Burslem, England
Alfred Meakin - Tunstall England
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J&G Meakin - Hanley, England
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1912+
1891-1896, "Seville".
Malkin Edge, 1873-1903, "Alton".
1891-1930, "Rosette".
1891-1896
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