This is a great thread!

Here are some given names from my husband's & my trees that I never hear:
- Absolom (spelled several different ways, including Ablsom), Addie, Adelaide, Adelia, Adoniram (spelled several different ways), Albion, Alfreda, Alma, Almeda, Alvah (male), Amos, Aquila, Atkins, Augusta
- Bartholomew, Beauchamp, Beecham, Bertha, Bertram, Beulah, Blanche
- Carvell, Charity, Chester, Cecil, Clifton, Clyde, Constance, Cora, Cornelius
- Delice, Delphene
- Effie, Elbridge, Elisha, Elmer, Elsie, Elvira, Ethel, Ewart
- Flora, Forest, Foy
- Geneva, Gertrude
- Hattie, Hazen, Henrietta, Herman, Hiram, Honor, Horace
- Inglis
- Seakons and Sampson as middle names
- Kingsley
- LaVonne, Lester, Levi, Lida, Lizetta, Lucretia, Luella
- Mariner (popular in a family of master mariners), Marvel, Maynard, Mervin, Milton, Mina, Minard, Moses, Muriel, Myrtle
- Nareva
- Oren, Orr, Ozro
- Percy or Percival, Preston
- Queenie
- Reuben, Robley, Rosanna, Roscoe, Rosella, Rosetta, Rosina
- Solomon or Saul, Sophronia, Stannes, Sumner, Susannah
- Tabitha (born 1853), Thelma
- Verna
- Ward, Webster, Wellington, Wesley, Willard, Winfield, Winifred
My 4th-g-grandfather was named Barnett Barnett.
A highschool friend's middle name was Petronella. Her parents were from Holland.
One of my favourite names is Sydoney / Sidoney. I read it in a book and then met someone with that name a few years ago. I don't know where it came from or if it's old.
Regards,
Josephine