1870 census for Minneapolis ward 4, family #80:
Lambe, Wm., 32, b. Penn., teamster
Lambe, Thos. F., 24, b. Penn., laborer
Taylor, Sarah, 17, b. Maine, domestic svt

1880 census for Sauk Center, Stearns, MN, family #284:
Lamb, Thomas, head, 36, b. Penn.
Lamb, Sarah L., wife, 28, b. Maine
Lamb, Hannah J., 8, dau., b. Minn.
Lamb, Abner R., son, 6, b. Minn.
Lamb, Anna E., dau., 4, b. Minn.
Lamb, Alma, dau., 2, b. Minn.

1885 MN census for Melrose, Stearns, family #132:
Lamb, Thoms F., 37, b. Pa.
Lamb, Sarah L., 28, b. Maine
Lamb, Hanah J., 13, b. Minn.
Lamb, Abner R., 10, b. Minn.
Lamb, Anna, 8, b. Minn.
Lamb, Alma C., 6, b. Minn.
Lamb, Allen, 4, b. Minn.
Lamb, Ester, 2, b. Minn.

1900 census for T134 R28, Crow Wing Co., MN, family #91:
Lamb, Abner, head, b. Apr 1874 Minn., m. 1y
Lamb, Della, wife, b. Sep 1876 Minn., 0 ch.
Lamb, Sarah, mother, b. Jun 1848 Maine, f/m b. Maine, m. 32y, 12 ch. 9 liv.
Lamb, Ethel, sister, b. Apr 1884 Minn.
Lamb, Murtle, sister, b. Sep 1886 Minn.
Lamb, Edwin, brother, b. Dec 1887 Minn.
Lamb, Howard, brother, b. Aug 1888 Minn.

1910 census for Brainerd Ward 1, family #27:
Lamb, Abner, head, 37, b. Minn., m. 11y
Lamb, Adella, wife, 33, b. Minn., 4 ch. 1 liv.
Lamb, Netta Celie. dau., 7, b. Minn.
Lamb, Sarah, step-mother, 60, b. Maine, m. 40y, 9 ch. 7 liv.
Lamb, Thomas, step-father, 68, b. Wisc., m. 40y
(Sarah & Thomas are parents of Abner, not step-parents.)

Familysearch "Minnesota, Death Records, 1866-1916":
Name: Sara Lamb
Death Date: 20 Dec 1910
Death Place: Minneapolis, Hennepin, MN
Age: 62
Marital Status: Widowed (sic)
Birthplace: Maine
Birth Year (Estimated): 1848
Cemetery: Hillside
Father's Name: Philip Taylor
Father's Birthplace: Maine
(no info on Mother)

1870 census implies b. 1852/53
1880 census implies b. 1851/52
1900 census states  b. 1848 (June)
1910 census implies b. 1849/50
1910 death rec. has b. 1848
Take your pick!