Data-driven SSA statistics, rankings, and historical trends for Guillermo.
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Annual registration volume (number of births) for Guillermo across 146 years of SSA data.
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| State | 2025 Rank | Total Births | Peak Year | 5-Yr Velocity |
|---|---|---|---|---|
| Arizona | #436 | 1,516 | 2003 | Insufficient historical volume |
| Texas | #521 | 8,913 | 1998 | 26.4% Decline |
| California | #511 | 11,089 | 1992 | 21.1% Decline |
| New Mexico | Unranked | 448 | 1984 | Insufficient historical volume |
| Nevada | #539 | 202 | 2001 | Insufficient historical volume |
| Florida | #1147 | 1,422 | 1991 | Insufficient historical volume |
| Illinois | #892 | 1,334 | 2005 | Insufficient historical volume |
| Colorado | #797 | 303 | 2002 | Insufficient historical volume |
| New York | #1344 | 1,503 | 1970 | Insufficient historical volume |
| Washington | #657 | 299 | 1999 | Insufficient historical volume |
| New Jersey | Unranked | 476 | 1985 | Insufficient historical volume |
| Oregon | Unranked | 131 | 2010 | Insufficient historical volume |
| Georgia | #1415 | 302 | 2004 | Insufficient historical volume |
| North Carolina | #1190 | 243 | 2002 | Insufficient historical volume |
| Utah | Unranked | 65 | 2006 | Insufficient historical volume |
| Kansas | Unranked | 61 | 2008 | Insufficient historical volume |
| Oklahoma | Unranked | 78 | 2007 | Insufficient historical volume |
| Virginia | Unranked | 106 | 2003 | Insufficient historical volume |
| Wisconsin | Unranked | 67 | 2008 | Insufficient historical volume |
| Connecticut | Unranked | 31 | 1991 | Insufficient historical volume |
| Indiana | Unranked | 50 | 2005 | Insufficient historical volume |
| Michigan | Unranked | 79 | 2005 | Insufficient historical volume |
| Maryland | Unranked | 28 | 2009 | Insufficient historical volume |
| Massachusetts | Unranked | 44 | 1983 | Insufficient historical volume |
| Tennessee | Unranked | 38 | 2004 | Insufficient historical volume |
| Nebraska | Unranked | 11 | 2009 | Insufficient historical volume |
| Arkansas | Unranked | 15 | 2001 | Insufficient historical volume |
| South Carolina | Unranked | 19 | 2007 | Insufficient historical volume |
| Idaho | Unranked | 5 | 2002 | Insufficient historical volume |
| Pennsylvania | Unranked | 60 | 2002 | Insufficient historical volume |
| Minnesota | #742 | 16 | 2025 | Insufficient historical volume |
| Iowa | Unranked | 5 | 2007 | Insufficient historical volume |
| Missouri | Unranked | 7 | 2004 | Insufficient historical volume |
| Alabama | Unranked | 5 | 2024 | Insufficient historical volume |
| Ohio | Unranked | 10 | 2001 | Insufficient historical volume |
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