The dates given indicate the beginning of the period when at least 50 percent of the
births in the State were recorded.
| State |
Record Available |
Date After Which At Least 50 Percent Recorded |
| Alabama |
Yes |
— |
| Alaska |
Yes |
— |
| American Samoa |
No |
— |
| Arizona |
Yes |
June 1909 |
| Arkansas |
Yes |
1914 |
| California |
Yes |
June 1905 |
| Canal Zone |
Yes |
April 1904 |
| Colorado |
Yes |
1906 |
| Connecticut |
Yes |
June 1897 |
| Delaware |
Yes |
— |
| D.C. |
Yes |
— |
| Florida |
Yes |
— |
| Georgia |
No |
— |
| Guam |
Yes |
October 25, 1901 |
| Hawaii |
Yes |
June 1896 |
| Idaho |
Yes |
1910 |
| Illinois |
Yes |
1899 |
| Indiana |
Yes |
September 1907 |
| State |
Record Available |
Date After Which At Least 50 Percent Recorded |
| Iowa |
Yes |
— |
| Kansas |
Yes |
June 1911 |
| Kentucky |
Yes |
1910 |
| Louisiana |
Yes |
1920 |
| Maine |
Yes |
1891 |
| Maryland |
Yes |
1897; except Baltimore 1874 |
| Massachusetts |
Yes |
— |
| Michigan |
Yes |
— |
| Minnesota |
Yes |
1899 |
| Mississippi |
Yes |
— |
| Missouri |
Yes |
1909 |
| Montana |
Yes |
1907 |
| Nebraska |
Yes |
1904 |
| Nevada |
Yes |
June 1911 |
| New Hampshire |
Yes |
— |
| New Jersey |
Yes |
— |
| New Mexico |
Yes |
1921 |
| New York |
Yes |
— |
| North Carolina |
Yes |
— |
| North Dakota |
Yes |
1907 |
| Ohio |
Yes |
1899 |
| Oklahoma |
Yes |
1921 |
| Oregon |
Yes |
1902 |
| Pennsylvania |
Yes |
1899 |
| Puerto Rico |
Yes |
1899 |
| Rhode Island |
Yes |
— |
| South Carolina |
Yes |
— |
| South Dakota |
Yes |
June 1905 |
| Tennessee |
Yes |
1913 |
| Texas |
Yes |
1932 |
| Trust Territory Islands |
No |
— |
| Utah |
Yes |
1904 |
| Vermont |
Yes |
— |
| Virginia |
Yes |
— |
| Virgin Islands: |
| • St. Thomas |
Yes |
June 1906 |
| • St. Croix |
Yes |
— |
| Washington |
Yes |
June 1907 |
| West Virginia |
Yes |
1899 |
| Wisconsin |
Yes |
— |
| Wyoming |
Yes |
June 1909 |